990722150 has 96 divisors (see below), whose sum is σ = 2077688448. Its totient is φ = 348364800.

The previous prime is 990722147. The next prime is 990722153. The reversal of 990722150 is 51227099.

990722150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (990722147) and next prime (990722153).

It is a self number, because there is not a number n which added to its sum of digits gives 990722150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990722153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3854822 + ... + 3855078.

It is an arithmetic number, because the mean of its divisors is an integer number (21642588).

Almost surely, 2^990722150 is an apocalyptic number.

990722150 is the 25700-th pentagonal number.

990722150 is an abundant number, since it is smaller than the sum of its proper divisors (1086966298).

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

990722150 is a wasteful number, since it uses less digits than its factorization.

990722150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 990722150 is about 31475.7390699567. The cubic root of 990722150 is about 996.8977694507.

The spelling of 990722150 in words is "nine hundred ninety million, seven hundred twenty-two thousand, one hundred fifty".