15455223 has 12 divisors (see below), whose sum is σ = 25513488. Its totient is φ = 8831520.

The previous prime is 15455221. The next prime is 15455239. The reversal of 15455223 is 32255451.

It is a happy number.

It is not a de Polignac number, because 15455223 - 2¹ = 15455221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15455221) 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, 122598 + ... + 122723.

It is an arithmetic number, because the mean of its divisors is an integer number (2126124).

Almost surely, 2^15455223 is an apocalyptic number.

15455223 is a deficient number, since it is larger than the sum of its proper divisors (10058265).

15455223 is a wasteful number, since it uses less digits than its factorization.

15455223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245334 (or 245331 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 15455223 is about 3931.3131393976. The cubic root of 15455223 is about 249.0912231682.

The spelling of 15455223 in words is "fifteen million, four hundred fifty-five thousand, two hundred twenty-three".