7022457 has 48 divisors (see below), whose sum is σ = 12004800. Its totient is φ = 4094064.

The previous prime is 7022443. The next prime is 7022467. The reversal of 7022457 is 7542207.

It is not a de Polignac number, because 7022457 - 2⁴ = 7022441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 7022457.

It is not an unprimeable number, because it can be changed into a prime (7022417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369594 + ... + 369612.

It is an arithmetic number, because the mean of its divisors is an integer number (250100).

Almost surely, 2^7022457 is an apocalyptic number.

It is an amenable number.

7022457 is a deficient number, since it is larger than the sum of its proper divisors (4982343).

7022457 is an equidigital number, since it uses as much as digits as its factorization.

7022457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7022457 is about 2649.9918867800. The cubic root of 7022457 is about 191.4974651252.

The spelling of 7022457 in words is "seven million, twenty-two thousand, four hundred fifty-seven".