225504541437 has 16 divisors (see below), whose sum is σ = 343637266560. Its totient is φ = 128855500992.

The previous prime is 225504541433. The next prime is 225504541441. The reversal of 225504541437 is 734145405522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (225504541433) and next prime (225504541441).

It is not a de Polignac number, because 225504541437 - 2² = 225504541433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225504541433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546139 + ... + 865607.

It is an arithmetic number, because the mean of its divisors is an integer number (21477329160).

Almost surely, 2^225504541437 is an apocalyptic number.

It is an amenable number.

225504541437 is a deficient number, since it is larger than the sum of its proper divisors (118132725123).

225504541437 is a wasteful number, since it uses less digits than its factorization.

225504541437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353092.

The product of its (nonzero) digits is 672000, while the sum is 42.

Adding to 225504541437 its reverse (734145405522), we get a palindrome (959649946959).

It can be divided in two parts, 225504 and 541437, that added together give a triangular number (766941 = T₁₂₃₈).

The spelling of 225504541437 in words is "two hundred twenty-five billion, five hundred four million, five hundred forty-one thousand, four hundred thirty-seven".