1422888 has 32 divisors (see below), whose sum is σ = 3598560. Its totient is φ = 468800.

The previous prime is 1422877. The next prime is 1422899. The reversal of 1422888 is 8882241.

It is an interprime number because it is at equal distance from previous prime (1422877) and next prime (1422899).

It is a super-2 number, since 2×1422888² = 4049220521088, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (112455).

2^1422888 is an apocalyptic number.

It is an amenable number.

1422888 is an abundant number, since it is smaller than the sum of its proper divisors (2175672).

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

1422888 is a wasteful number, since it uses less digits than its factorization.

1422888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 693 counting only the distinct ones).

The product of its digits is 8192, while the sum is 33.

The square root of 1422888 is about 1192.8486911591. The cubic root of 1422888 is about 112.4752340546.

The spelling of 1422888 in words is "one million, four hundred twenty-two thousand, eight hundred eighty-eight".