1022732140 has 12 divisors (see below), whose sum is σ = 2147737536. Its totient is φ = 409092848.

The previous prime is 1022732131. The next prime is 1022732141. The reversal of 1022732140 is 412372201.

It is not an unprimeable number, because it can be changed into a prime (1022732141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25568284 + ... + 25568323.

It is an arithmetic number, because the mean of its divisors is an integer number (178978128).

Almost surely, 2^1022732140 is an apocalyptic number.

1022732140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022732140 is an abundant number, since it is smaller than the sum of its proper divisors (1125005396).

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

1022732140 is a wasteful number, since it uses less digits than its factorization.

1022732140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51136616 (or 51136614 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1022732140 is about 31980.1835516934. The cubic root of 1022732140 is about 1007.5206776169.

The spelling of 1022732140 in words is "one billion, twenty-two million, seven hundred thirty-two thousand, one hundred forty".