15222798 has 24 divisors (see below), whose sum is σ = 34047936. Its totient is φ = 4910400.

The previous prime is 15222791. The next prime is 15222833. The reversal of 15222798 is 89722251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15222791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13083 + ... + 14198.

It is an arithmetic number, because the mean of its divisors is an integer number (1418664).

Almost surely, 2^15222798 is an apocalyptic number.

15222798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

15222798 is an abundant number, since it is smaller than the sum of its proper divisors (18825138).

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

15222798 is a wasteful number, since it uses less digits than its factorization.

15222798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27320 (or 27317 counting only the distinct ones).

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

The square root of 15222798 is about 3901.6404242318. The cubic root of 15222798 is about 247.8362494287.

The spelling of 15222798 in words is "fifteen million, two hundred twenty-two thousand, seven hundred ninety-eight".