15222325444020 has 96 divisors (see below), whose sum is σ = 47377992493440. Its totient is φ = 4057602785280.

The previous prime is 15222325444009. The next prime is 15222325444037. The reversal of 15222325444020 is 2044452322251.

15222325444020 is a `hidden beast` number, since 1 + 5 + 2 + 22 + 32 + 544 + 40 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4544077 + ... + 7147956.

It is an arithmetic number, because the mean of its divisors is an integer number (493520755140).

Almost surely, 2^{15222325444020} is an apocalyptic number.

15222325444020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15222325444020 is an abundant number, since it is smaller than the sum of its proper divisors (32155667049420).

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

15222325444020 is a wasteful number, since it uses less digits than its factorization.

15222325444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11694462 (or 11694454 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 15222325444020 its reverse (2044452322251), we get a palindrome (17266777766271).

The spelling of 15222325444020 in words is "fifteen trillion, two hundred twenty-two billion, three hundred twenty-five million, four hundred forty-four thousand, twenty".