22152798 has 32 divisors (see below), whose sum is σ = 49439520. Its totient is φ = 7352640.

The previous prime is 22152797. The next prime is 22152829. The reversal of 22152798 is 89725122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14218 + ... + 15698.

It is an arithmetic number, because the mean of its divisors is an integer number (1544985).

Almost surely, 2^22152798 is an apocalyptic number.

22152798 is an abundant number, since it is smaller than the sum of its proper divisors (27286722).

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

22152798 is a wasteful number, since it uses less digits than its factorization.

22152798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1763 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 22152798 is about 4706.6758970637. The cubic root of 22152798 is about 280.8511430697.

The spelling of 22152798 in words is "twenty-two million, one hundred fifty-two thousand, seven hundred ninety-eight".