1022364640 has 48 divisors (see below), whose sum is σ = 2634917040. Its totient is φ = 371768320.

The previous prime is 1022364617. The next prime is 1022364659. The reversal of 1022364640 is 464632201.

It is a junction number, because it is equal to n+sod(n) for n = 1022364599 and 1022364608.

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, 288685 + ... + 292204.

It is an arithmetic number, because the mean of its divisors is an integer number (54894105).

Almost surely, 2^1022364640 is an apocalyptic number.

1022364640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022364640 is an abundant number, since it is smaller than the sum of its proper divisors (1612552400).

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

1022364640 is a wasteful number, since it uses less digits than its factorization.

1022364640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580915 (or 580907 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1022364640 is about 31974.4372898101. The cubic root of 1022364640 is about 1007.3999851460.

Adding to 1022364640 its reverse (464632201), we get a palindrome (1486996841).

The spelling of 1022364640 in words is "one billion, twenty-two million, three hundred sixty-four thousand, six hundred forty".