15220274 has 8 divisors (see below), whose sum is σ = 22939248. Its totient is φ = 7573860.

The previous prime is 15220267. The next prime is 15220313. The reversal of 15220274 is 47202251.

It is a happy number.

15220274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17612 + ... + 18455.

It is an arithmetic number, because the mean of its divisors is an integer number (2867406).

Almost surely, 2^15220274 is an apocalyptic number.

15220274 is a deficient number, since it is larger than the sum of its proper divisors (7718974).

15220274 is a wasteful number, since it uses less digits than its factorization.

15220274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36280.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 15220274 is about 3901.3169571313. The cubic root of 15220274 is about 247.8225512621.

The spelling of 15220274 in words is "fifteen million, two hundred twenty thousand, two hundred seventy-four".