15452222250 has 384 divisors, whose sum is σ = 44721331200. Its totient is φ = 3536332800.

The previous prime is 15452222197. The next prime is 15452222297. The reversal of 15452222250 is 5222225451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 195597711 + ... + 195597789.

It is an arithmetic number, because the mean of its divisors is an integer number (116461800).

Almost surely, 2^15452222250 is an apocalyptic number.

15452222250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15452222250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22360665600).

15452222250 is an abundant number, since it is smaller than the sum of its proper divisors (29269108950).

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

15452222250 is a wasteful number, since it uses less digits than its factorization.

15452222250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 15452222250 in words is "fifteen billion, four hundred fifty-two million, two hundred twenty-two thousand, two hundred fifty".