22154546356 has 6 divisors (see below), whose sum is σ = 38770456130. Its totient is φ = 11077273176.

The previous prime is 22154546347. The next prime is 22154546417. The reversal of 22154546356 is 65364545122.

It can be written as a sum of positive squares in only one way, i.e., 17605043856 + 4549502500 = 132684^2 + 67450^2 .

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, 2769318291 + ... + 2769318298.

Almost surely, 2^22154546356 is an apocalyptic number.

It is an amenable number.

22154546356 is a deficient number, since it is larger than the sum of its proper divisors (16615909774).

22154546356 is a wasteful number, since it uses less digits than its factorization.

22154546356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538636593 (or 5538636591 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The spelling of 22154546356 in words is "twenty-two billion, one hundred fifty-four million, five hundred forty-six thousand, three hundred fifty-six".