1422631 has 4 divisors (see below), whose sum is σ = 1625872. Its totient is φ = 1219392.

The previous prime is 1422601. The next prime is 1422637. The reversal of 1422631 is 1362241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1362241 = 853 ⋅1597.

It is a cyclic number.

It is not a de Polignac number, because 1422631 - 2⁵ = 1422599 is a prime.

It is a super-2 number, since 2×1422631² = 4047757924322, 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 = 1422599 and 1422608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101610 + ... + 101623.

It is an arithmetic number, because the mean of its divisors is an integer number (406468).

2^1422631 is an apocalyptic number.

1422631 is a deficient number, since it is larger than the sum of its proper divisors (203241).

1422631 is an equidigital number, since it uses as much as digits as its factorization.

1422631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203240.

The product of its digits is 288, while the sum is 19.

The square root of 1422631 is about 1192.7409609802. The cubic root of 1422631 is about 112.4684619414.

Adding to 1422631 its reverse (1362241), we get a palindrome (2784872).

The spelling of 1422631 in words is "one million, four hundred twenty-two thousand, six hundred thirty-one".