1022615140 has 24 divisors (see below), whose sum is σ = 2183892480. Its totient is φ = 402112608.

The previous prime is 1022615117. The next prime is 1022615141. The reversal of 1022615140 is 415162201.

It is not an unprimeable number, because it can be changed into a prime (1022615141) 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 7 ways as a sum of consecutive naturals, for example, 432132 + ... + 434491.

It is an arithmetic number, because the mean of its divisors is an integer number (90995520).

Almost surely, 2^1022615140 is an apocalyptic number.

1022615140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022615140 is an abundant number, since it is smaller than the sum of its proper divisors (1161277340).

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

1022615140 is a wasteful number, since it uses less digits than its factorization.

1022615140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866691 (or 866689 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1022615140 is about 31978.3542415804. The cubic root of 1022615140 is about 1007.4822562127.

Adding to 1022615140 its reverse (415162201), we get a palindrome (1437777341).

The spelling of 1022615140 in words is "one billion, twenty-two million, six hundred fifteen thousand, one hundred forty".