15455222 has 8 divisors (see below), whose sum is σ = 23412672. Its totient is φ = 7651000.

The previous prime is 15455221. The next prime is 15455239. The reversal of 15455222 is 22255451.

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

It is a junction number, because it is equal to n+sod(n) for n = 15455191 and 15455200.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38054 + ... + 38457.

It is an arithmetic number, because the mean of its divisors is an integer number (2926584).

Almost surely, 2^15455222 is an apocalyptic number.

15455222 is a deficient number, since it is larger than the sum of its proper divisors (7957450).

15455222 is a wasteful number, since it uses less digits than its factorization.

15455222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76614.

The product of its digits is 4000, while the sum is 26.

The square root of 15455222 is about 3931.3130122136. The cubic root of 15455222 is about 249.0912177959.

The spelling of 15455222 in words is "fifteen million, four hundred fifty-five thousand, two hundred twenty-two".