22431213153405 has 48 divisors (see below), whose sum is σ = 44491627050624. Its totient is φ = 10241239190400.

The previous prime is 22431213153397. The next prime is 22431213153443. The reversal of 22431213153405 is 50435131213422.

22431213153405 is a `hidden beast` number, since 2 + 2 + 4 + 31 + 213 + 1 + 5 + 3 + 405 = 666.

It is not a de Polignac number, because 22431213153405 - 2³ = 22431213153397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22431213153405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44993646 + ... + 45489455.

It is an arithmetic number, because the mean of its divisors is an integer number (926908896888).

Almost surely, 2^{22431213153405} is an apocalyptic number.

It is an amenable number.

22431213153405 is a deficient number, since it is larger than the sum of its proper divisors (22060413897219).

22431213153405 is a wasteful number, since it uses less digits than its factorization.

22431213153405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90483906 (or 90483903 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 22431213153405 its reverse (50435131213422), we get a palindrome (72866344366827).

The spelling of 22431213153405 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred thirteen million, one hundred fifty-three thousand, four hundred five".