1022332440 has 64 divisors (see below), whose sum is σ = 3070884960. Its totient is φ = 272276480.

The previous prime is 1022332429. The next prime is 1022332483. The reversal of 1022332440 is 442332201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97870 + ... + 107810.

Almost surely, 2^1022332440 is an apocalyptic number.

1022332440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022332440 is an abundant number, since it is smaller than the sum of its proper divisors (2048552520).

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

1022332440 is a wasteful number, since it uses less digits than its factorization.

1022332440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10812 (or 10808 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1022332440 is about 31973.9337586103. The cubic root of 1022332440 is about 1007.3894088086.

Adding to 1022332440 its reverse (442332201), we get a palindrome (1464664641).

The spelling of 1022332440 in words is "one billion, twenty-two million, three hundred thirty-two thousand, four hundred forty".