22404401430402 has 32 divisors (see below), whose sum is σ = 45023014318464. Its totient is φ = 7432506828800.

The previous prime is 22404401430353. The next prime is 22404401430409. The reversal of 22404401430402 is 20403410440422.

It is a self number, because there is not a number n which added to its sum of digits gives 22404401430402.

It is not an unprimeable number, because it can be changed into a prime (22404401430409) 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, 8169453 + ... + 10561664.

It is an arithmetic number, because the mean of its divisors is an integer number (1406969197452).

Almost surely, 2^{22404401430402} is an apocalyptic number.

22404401430402 is an abundant number, since it is smaller than the sum of its proper divisors (22618612888062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22404401430402 is a wasteful number, since it uses less digits than its factorization.

22404401430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18732074.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22404401430402 its reverse (20403410440422), we get a palindrome (42807811870824).

The spelling of 22404401430402 in words is "twenty-two trillion, four hundred four billion, four hundred one million, four hundred thirty thousand, four hundred two".