1022152312 has 32 divisors (see below), whose sum is σ = 1963399680. Its totient is φ = 498607200.

The previous prime is 1022152303. The next prime is 1022152333. The reversal of 1022152312 is 2132512201.

It is a self number, because there is not a number n which added to its sum of digits gives 1022152312.

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, 522937 + ... + 524887.

It is an arithmetic number, because the mean of its divisors is an integer number (61356240).

Almost surely, 2^1022152312 is an apocalyptic number.

It is an amenable number.

1022152312 is a deficient number, since it is larger than the sum of its proper divisors (941247368).

1022152312 is a wasteful number, since it uses less digits than its factorization.

1022152312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1022152312 is about 31971.1168400480. The cubic root of 1022152312 is about 1007.3302402868.

Adding to 1022152312 its reverse (2132512201), we get a palindrome (3154664513).

The spelling of 1022152312 in words is "one billion, twenty-two million, one hundred fifty-two thousand, three hundred twelve".