1422669 has 4 divisors (see below), whose sum is σ = 1896896. Its totient is φ = 948444.

The previous prime is 1422661. The next prime is 1422671. The reversal of 1422669 is 9662241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1422669 - 2³ = 1422661 is a prime.

It is a super-2 number, since 2×1422669² = 4047974167122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422661) 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, 237109 + ... + 237114.

It is an arithmetic number, because the mean of its divisors is an integer number (474224).

2^1422669 is an apocalyptic number.

It is an amenable number.

1422669 is a deficient number, since it is larger than the sum of its proper divisors (474227).

1422669 is an equidigital number, since it uses as much as digits as its factorization.

1422669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474226.

The product of its digits is 5184, while the sum is 30.

The square root of 1422669 is about 1192.7568905691. The cubic root of 1422669 is about 112.4694633169.

The spelling of 1422669 in words is "one million, four hundred twenty-two thousand, six hundred sixty-nine".