22400342221402 has 8 divisors (see below), whose sum is σ = 33601208118912. Its totient is φ = 11199939515100.

The previous prime is 22400342221399. The next prime is 22400342221403. The reversal of 22400342221402 is 20412224300422.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22400342221403) 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, 115676874 + ... + 115870357.

It is an arithmetic number, because the mean of its divisors is an integer number (4200151014864).

Almost surely, 2^{22400342221402} is an apocalyptic number.

22400342221402 is a deficient number, since it is larger than the sum of its proper divisors (11200865897510).

22400342221402 is a wasteful number, since it uses less digits than its factorization.

22400342221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231595604.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22400342221402 its reverse (20412224300422), we get a palindrome (42812566521824).

The spelling of 22400342221402 in words is "twenty-two trillion, four hundred billion, three hundred forty-two million, two hundred twenty-one thousand, four hundred two".