22151147932 has 6 divisors (see below), whose sum is σ = 38764508888. Its totient is φ = 11075573964.

The previous prime is 22151147897. The next prime is 22151147939. The reversal of 22151147932 is 23974115122.

It is a junction number, because it is equal to n+sod(n) for n = 22151147891 and 22151147900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22151147939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2768893488 + ... + 2768893495.

Almost surely, 2^22151147932 is an apocalyptic number.

It is an amenable number.

22151147932 is a deficient number, since it is larger than the sum of its proper divisors (16613360956).

22151147932 is a wasteful number, since it uses less digits than its factorization.

22151147932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537786987 (or 5537786985 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The spelling of 22151147932 in words is "twenty-two billion, one hundred fifty-one million, one hundred forty-seven thousand, nine hundred thirty-two".