22393554390964 has 6 divisors (see below), whose sum is σ = 39188720184194. Its totient is φ = 11196777195480.

The previous prime is 22393554390947. The next prime is 22393554390989. The reversal of 22393554390964 is 46909345539322.

It can be written as a sum of positive squares in only one way, i.e., 21804510420900 + 589043970064 = 4669530^2 + 767492^2 .

It is a super-2 number, since 2×22393554390964² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22393554390896 and 22393554390905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2799194298867 + ... + 2799194298874.

Almost surely, 2^{22393554390964} is an apocalyptic number.

It is an amenable number.

22393554390964 is a deficient number, since it is larger than the sum of its proper divisors (16795165793230).

22393554390964 is a wasteful number, since it uses less digits than its factorization.

22393554390964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598388597745 (or 5598388597743 counting only the distinct ones).

The product of its (nonzero) digits is 188956800, while the sum is 64.

The spelling of 22393554390964 in words is "twenty-two trillion, three hundred ninety-three billion, five hundred fifty-four million, three hundred ninety thousand, nine hundred sixty-four".