1421922 has 16 divisors (see below), whose sum is σ = 2993760. Its totient is φ = 448992.

The previous prime is 1421911. The next prime is 1421933. The reversal of 1421922 is 2291241.

It is an interprime number because it is at equal distance from previous prime (1421911) and next prime (1421933).

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, 6123 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (187110).

2^1421922 is an apocalyptic number.

1421922 is an abundant number, since it is smaller than the sum of its proper divisors (1571838).

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

1421922 is a wasteful number, since it uses less digits than its factorization.

1421922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12497.

The product of its digits is 288, while the sum is 21.

The square root of 1421922 is about 1192.4437093633. The cubic root of 1421922 is about 112.4497751116.

It can be divided in two parts, 14219 and 22, that added together give a palindrome (14241).

The spelling of 1421922 in words is "one million, four hundred twenty-one thousand, nine hundred twenty-two".