15222088 has 32 divisors (see below), whose sum is σ = 32788800. Its totient is φ = 6489792.

The previous prime is 15222079. The next prime is 15222091. The reversal of 15222088 is 88022251.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12231 + ... + 13417.

It is an arithmetic number, because the mean of its divisors is an integer number (1024650).

Almost surely, 2^15222088 is an apocalyptic number.

It is an amenable number.

15222088 is an abundant number, since it is smaller than the sum of its proper divisors (17566712).

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

15222088 is a wasteful number, since it uses less digits than its factorization.

15222088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 15222088 is about 3901.5494358011. The cubic root of 15222088 is about 247.8323962940.

The spelling of 15222088 in words is "fifteen million, two hundred twenty-two thousand, eighty-eight".