1457922 has 16 divisors (see below), whose sum is σ = 2933280. Its totient is φ = 483072.

The previous prime is 1457921. The next prime is 1457933. The reversal of 1457922 is 2297541.

It is a self number, because there is not a number n which added to its sum of digits gives 1457922.

It is not an unprimeable number, because it can be changed into a prime (1457921) 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, 529 + ... + 1787.

It is an arithmetic number, because the mean of its divisors is an integer number (183330).

2^1457922 is an apocalyptic number.

1457922 is an abundant number, since it is smaller than the sum of its proper divisors (1475358).

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

1457922 is a wasteful number, since it uses less digits than its factorization.

1457922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457.

The product of its digits is 5040, while the sum is 30.

The square root of 1457922 is about 1207.4444086582. Note that the first 4 decimals coincide. The cubic root of 1457922 is about 113.3908723590.

The spelling of 1457922 in words is "one million, four hundred fifty-seven thousand, nine hundred twenty-two".