15225527122 has 32 divisors (see below), whose sum is σ = 24934392000. Its totient is φ = 6930802368.

The previous prime is 15225527117. The next prime is 15225527129. The reversal of 15225527122 is 22172552251.

It is a super-2 number, since 2×15225527122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15225527129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625129 + ... + 649027.

It is an arithmetic number, because the mean of its divisors is an integer number (779199750).

Almost surely, 2^15225527122 is an apocalyptic number.

15225527122 is a deficient number, since it is larger than the sum of its proper divisors (9708864878).

15225527122 is a wasteful number, since it uses less digits than its factorization.

15225527122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24250.

The product of its digits is 28000, while the sum is 34.

The spelling of 15225527122 in words is "fifteen billion, two hundred twenty-five million, five hundred twenty-seven thousand, one hundred twenty-two".