1422402331 has 12 divisors (see below), whose sum is σ = 1681759920. Its totient is φ = 1199212560.

The previous prime is 1422402283. The next prime is 1422402341. The reversal of 1422402331 is 1332042241.

It is not a de Polignac number, because 1422402331 - 2¹⁵ = 1422369563 is a prime.

It is a super-2 number, since 2×1422402331² = 4046456782468467122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422402341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234951 + ... + 240928.

It is an arithmetic number, because the mean of its divisors is an integer number (140146660).

Almost surely, 2^1422402331 is an apocalyptic number.

1422402331 is a deficient number, since it is larger than the sum of its proper divisors (259357589).

1422402331 is an equidigital number, since it uses as much as digits as its factorization.

1422402331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475954 (or 475947 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1422402331 is about 37714.7495152759. The cubic root of 1422402331 is about 1124.6243568235.

Adding to 1422402331 its reverse (1332042241), we get a palindrome (2754444572).

The spelling of 1422402331 in words is "one billion, four hundred twenty-two million, four hundred two thousand, three hundred thirty-one".