15051222402 has 32 divisors (see below), whose sum is σ = 31422245760. Its totient is φ = 4797260160.

The previous prime is 15051222367. The next prime is 15051222427. The reversal of 15051222402 is 20422215051.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411502 + ... + 446582.

It is an arithmetic number, because the mean of its divisors is an integer number (981945180).

Almost surely, 2^15051222402 is an apocalyptic number.

15051222402 is an abundant number, since it is smaller than the sum of its proper divisors (16371023358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15051222402 is a wasteful number, since it uses less digits than its factorization.

15051222402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38218.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 15051222402 its reverse (20422215051), we get a palindrome (35473437453).

The spelling of 15051222402 in words is "fifteen billion, fifty-one million, two hundred twenty-two thousand, four hundred two".