722121150 has 48 divisors (see below), whose sum is σ = 1793885184. Its totient is φ = 192240480.

The previous prime is 722121143. The next prime is 722121167. The reversal of 722121150 is 51121227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92707 + ... + 100193.

It is an arithmetic number, because the mean of its divisors is an integer number (37372608).

Almost surely, 2^722121150 is an apocalyptic number.

722121150 is an abundant number, since it is smaller than the sum of its proper divisors (1071764034).

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

722121150 is a wasteful number, since it uses less digits than its factorization.

722121150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8145 (or 8140 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 722121150 is about 26872.3119585941. The cubic root of 722121150 is about 897.1602467342.

Adding to 722121150 its reverse (51121227), we get a palindrome (773242377).

The spelling of 722121150 in words is "seven hundred twenty-two million, one hundred twenty-one thousand, one hundred fifty".