1322022320 has 40 divisors (see below), whose sum is σ = 3075245136. Its totient is φ = 528543488.

The previous prime is 1322022319. The next prime is 1322022329. The reversal of 1322022320 is 232202231.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1322022329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263354 + ... + 268326.

Almost surely, 2^1322022320 is an apocalyptic number.

1322022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322022320 is an abundant number, since it is smaller than the sum of its proper divisors (1753222816).

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

1322022320 is a wasteful number, since it uses less digits than its factorization.

1322022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1322022320 is about 36359.6248605510. The cubic root of 1322022320 is about 1097.5212283778.

Adding to 1322022320 its reverse (232202231), we get a palindrome (1554224551).

The spelling of 1322022320 in words is "one billion, three hundred twenty-two million, twenty-two thousand, three hundred twenty".