15251552222 has 4 divisors (see below), whose sum is σ = 22877328336. Its totient is φ = 7625776110.

The previous prime is 15251552213. The next prime is 15251552233. The reversal of 15251552222 is 22225515251.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3812888054 + ... + 3812888057.

It is an arithmetic number, because the mean of its divisors is an integer number (5719332084).

Almost surely, 2^15251552222 is an apocalyptic number.

15251552222 is a deficient number, since it is larger than the sum of its proper divisors (7625776114).

15251552222 is an equidigital number, since it uses as much as digits as its factorization.

15251552222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625776113.

The product of its digits is 20000, while the sum is 32.

The spelling of 15251552222 in words is "fifteen billion, two hundred fifty-one million, five hundred fifty-two thousand, two hundred twenty-two".