1022625152 has 64 divisors (see below), whose sum is σ = 2069939040. Its totient is φ = 503193600.

The previous prime is 1022625143. The next prime is 1022625211. The reversal of 1022625152 is 2515262201.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3034328 + ... + 3034664.

Almost surely, 2^1022625152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022625152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034969520).

1022625152 is an abundant number, since it is smaller than the sum of its proper divisors (1047313888).

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

1022625152 is a wasteful number, since it uses less digits than its factorization.

1022625152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1022625152 is about 31978.5107845878. The cubic root of 1022625152 is about 1007.4855441487.

Adding to 1022625152 its reverse (2515262201), we get a palindrome (3537887353).

The spelling of 1022625152 in words is "one billion, twenty-two million, six hundred twenty-five thousand, one hundred fifty-two".