22242965428 has 6 divisors (see below), whose sum is σ = 38925189506. Its totient is φ = 11121482712.

The previous prime is 22242965369. The next prime is 22242965431. The reversal of 22242965428 is 82456924222.

It can be written as a sum of positive squares in only one way, i.e., 14949463824 + 7293501604 = 122268^2 + 85402^2 .

It is a super-2 number, since 2×22242965428² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780370675 + ... + 2780370682.

Almost surely, 2^22242965428 is an apocalyptic number.

It is an amenable number.

22242965428 is a deficient number, since it is larger than the sum of its proper divisors (16682224078).

22242965428 is a wasteful number, since it uses less digits than its factorization.

22242965428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560741361 (or 5560741359 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The spelling of 22242965428 in words is "twenty-two billion, two hundred forty-two million, nine hundred sixty-five thousand, four hundred twenty-eight".