1422401331 has 8 divisors (see below), whose sum is σ = 2042422480. Its totient is φ = 875323872.

The previous prime is 1422401327. The next prime is 1422401341. The reversal of 1422401331 is 1331042241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1422401331 - 2² = 1422401327 is a prime.

It is a super-2 number, since 2×1422401331² = 4046451092861143122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422401298 and 1422401307.

It is not an unprimeable number, because it can be changed into a prime (1422401311) 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, 18235876 + ... + 18235953.

It is an arithmetic number, because the mean of its divisors is an integer number (255302810).

Almost surely, 2^1422401331 is an apocalyptic number.

1422401331 is a deficient number, since it is larger than the sum of its proper divisors (620021149).

1422401331 is a wasteful number, since it uses less digits than its factorization.

1422401331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36471845.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1422401331 is about 37714.7362578608. The cubic root of 1422401331 is about 1124.6240932730.

Adding to 1422401331 its reverse (1331042241), we get a palindrome (2753443572).

It can be divided in two parts, 1422 and 401331, that added together give a triangular number (402753 = T₈₉₇).

The spelling of 1422401331 in words is "one billion, four hundred twenty-two million, four hundred one thousand, three hundred thirty-one".