22426662044644 has 72 divisors (see below), whose sum is σ = 47439473491872. Its totient is φ = 9190955854080.

The previous prime is 22426662044639. The next prime is 22426662044719. The reversal of 22426662044644 is 44644026662422.

It is a super-3 number, since 3×22426662044644³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 22426662044591 and 22426662044600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34749529 + ... + 35389024.

It is an arithmetic number, because the mean of its divisors is an integer number (658881576276).

Almost surely, 2^{22426662044644} is an apocalyptic number.

It is an amenable number.

22426662044644 is an abundant number, since it is smaller than the sum of its proper divisors (25012811447228).

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

22426662044644 is a wasteful number, since it uses less digits than its factorization.

22426662044644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70138637 (or 70138622 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 52.

The spelling of 22426662044644 in words is "twenty-two trillion, four hundred twenty-six billion, six hundred sixty-two million, forty-four thousand, six hundred forty-four".