72220612017150 has 72 divisors (see below), whose sum is σ = 195449008279824. Its totient is φ = 19118254454400.

The previous prime is 72220612017119. The next prime is 72220612017157. The reversal of 72220612017150 is 5171021602227.

72220612017150 is a `hidden beast` number, since 7 + 2 + 2 + 20 + 612 + 0 + 1 + 7 + 15 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72220612017157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 585669186 + ... + 585792485.

It is an arithmetic number, because the mean of its divisors is an integer number (2714569559442).

Almost surely, 2^{72220612017150} is an apocalyptic number.

72220612017150 is an abundant number, since it is smaller than the sum of its proper divisors (123228396262674).

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

72220612017150 is a wasteful number, since it uses less digits than its factorization.

72220612017150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171461826 (or 1171461818 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 72220612017150 its reverse (5171021602227), we get a palindrome (77391633619377).

The spelling of 72220612017150 in words is "seventy-two trillion, two hundred twenty billion, six hundred twelve million, seventeen thousand, one hundred fifty".