1022312304 has 120 divisors (see below), whose sum is σ = 3112217472. Its totient is φ = 311385600.

The previous prime is 1022312287. The next prime is 1022312339. The reversal of 1022312304 is 4032132201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186369 + ... + 191775.

Almost surely, 2^1022312304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022312304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556108736).

1022312304 is an abundant number, since it is smaller than the sum of its proper divisors (2089905168).

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

1022312304 is a wasteful number, since it uses less digits than its factorization.

1022312304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1022312304 is about 31973.6188755668. The cubic root of 1022312304 is about 1007.3827948718.

Adding to 1022312304 its reverse (4032132201), we get a palindrome (5054444505).

The spelling of 1022312304 in words is "one billion, twenty-two million, three hundred twelve thousand, three hundred four".