221412432405622 has 8 divisors (see below), whose sum is σ = 335343101507856. Its totient is φ = 109631398569672.

The previous prime is 221412432405613. The next prime is 221412432405623. The reversal of 221412432405622 is 226504234214122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221412432405622² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221412432405623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537408816313 + ... + 537408816724.

It is an arithmetic number, because the mean of its divisors is an integer number (41917887688482).

Almost surely, 2^{221412432405622} is an apocalyptic number.

221412432405622 is a deficient number, since it is larger than the sum of its proper divisors (113930669102234).

221412432405622 is a wasteful number, since it uses less digits than its factorization.

221412432405622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074817633142.

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 221412432405622 its reverse (226504234214122), we get a palindrome (447916666619744).

The spelling of 221412432405622 in words is "two hundred twenty-one trillion, four hundred twelve billion, four hundred thirty-two million, four hundred five thousand, six hundred twenty-two".