15202422252 has 24 divisors (see below), whose sum is σ = 39413687600. Its totient is φ = 5067474048.

The previous prime is 15202422247. The next prime is 15202422259. The reversal of 15202422252 is 25222420251.

It is a happy number.

15202422252 is a `hidden beast` number, since 15 + 202 + 422 + 25 + 2 = 666.

It is a super-2 number, since 2×15202422252² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (15202422259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70381477 + ... + 70381692.

Almost surely, 2^15202422252 is an apocalyptic number.

15202422252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15202422252 is an abundant number, since it is smaller than the sum of its proper divisors (24211265348).

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

15202422252 is a wasteful number, since it uses less digits than its factorization.

15202422252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140763182 (or 140763174 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 15202422252 in words is "fifteen billion, two hundred two million, four hundred twenty-two thousand, two hundred fifty-two".