1022021132 has 48 divisors (see below), whose sum is σ = 2025021600. Its totient is φ = 447068160.

The previous prime is 1022021111. The next prime is 1022021159. The reversal of 1022021132 is 2311202201.

It is a happy number.

It is a super-2 number, since 2×1022021132² = 2089054388509122848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449294 + ... + 451562.

It is an arithmetic number, because the mean of its divisors is an integer number (42187950).

Almost surely, 2^1022021132 is an apocalyptic number.

It is an amenable number.

1022021132 is a deficient number, since it is larger than the sum of its proper divisors (1003000468).

1022021132 is a wasteful number, since it uses less digits than its factorization.

1022021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1022021132 is about 31969.0652350049. The cubic root of 1022021132 is about 1007.2871458502.

Adding to 1022021132 its reverse (2311202201), we get a palindrome (3333223333).

The spelling of 1022021132 in words is "one billion, twenty-two million, twenty-one thousand, one hundred thirty-two".