822520152 has 24 divisors (see below), whose sum is σ = 2227658940. Its totient is φ = 274173360.

The previous prime is 822520109. The next prime is 822520159. The reversal of 822520152 is 251025228.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×822520152² = 1353078800892206208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822520159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5711874 + ... + 5712017.

Almost surely, 2^822520152 is an apocalyptic number.

It is an amenable number.

822520152 is an abundant number, since it is smaller than the sum of its proper divisors (1405138788).

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

822520152 is a wasteful number, since it uses less digits than its factorization.

822520152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423903 (or 11423896 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 822520152 is about 28679.6121312684. The cubic root of 822520152 is about 936.9480586886.

The spelling of 822520152 in words is "eight hundred twenty-two million, five hundred twenty thousand, one hundred fifty-two".