15228454 has 8 divisors (see below), whose sum is σ = 23056488. Its totient is φ = 7542960.

The previous prime is 15228449. The next prime is 15228487. The reversal of 15228454 is 45482251.

15228454 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 a super-2 number, since 2×15228454² = 463811622460232, which contains 22 as substring.

It is a congruent number.

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, 35367 + ... + 35794.

It is an arithmetic number, because the mean of its divisors is an integer number (2882061).

Almost surely, 2^15228454 is an apocalyptic number.

15228454 is a deficient number, since it is larger than the sum of its proper divisors (7828034).

15228454 is a wasteful number, since it uses less digits than its factorization.

15228454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71270.

The product of its digits is 12800, while the sum is 31.

The square root of 15228454 is about 3902.3651802465. The cubic root of 15228454 is about 247.8669399815.

The spelling of 15228454 in words is "fifteen million, two hundred twenty-eight thousand, four hundred fifty-four".