15122274 has 8 divisors (see below), whose sum is σ = 30244560. Its totient is φ = 5040756.

The previous prime is 15122273. The next prime is 15122281. The reversal of 15122274 is 47222151.

It is a sphenic number, since it is the product of 3 distinct primes.

15122274 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (15122273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260184 + ... + 1260195.

It is an arithmetic number, because the mean of its divisors is an integer number (3780570).

Almost surely, 2^15122274 is an apocalyptic number.

15122274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15122274 is a wasteful number, since it uses less digits than its factorization.

15122274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520384.

The product of its digits is 1120, while the sum is 24.

The square root of 15122274 is about 3888.7368128995. The cubic root of 15122274 is about 247.2895139316.

Subtracting from 15122274 its sum of digits (24), we obtain a triangular number (15122250 = T₅₄₉₉).

The spelling of 15122274 in words is "fifteen million, one hundred twenty-two thousand, two hundred seventy-four".