22021604234562 has 32 divisors (see below), whose sum is σ = 47894363430912. Its totient is φ = 6722015917824.

The previous prime is 22021604234537. The next prime is 22021604234587. The reversal of 22021604234562 is 26543240612022.

It is an interprime number because it is at equal distance from previous prime (22021604234537) and next prime (22021604234587).

It is a self number, because there is not a number n which added to its sum of digits gives 22021604234562.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2917537858 + ... + 2917545405.

It is an arithmetic number, because the mean of its divisors is an integer number (1496698857216).

Almost surely, 2^{22021604234562} is an apocalyptic number.

22021604234562 is an abundant number, since it is smaller than the sum of its proper divisors (25872759196350).

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

22021604234562 is a wasteful number, since it uses less digits than its factorization.

22021604234562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835083322.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 22021604234562 its reverse (26543240612022), we get a palindrome (48564844846584).

The spelling of 22021604234562 in words is "twenty-two trillion, twenty-one billion, six hundred four million, two hundred thirty-four thousand, five hundred sixty-two".