4222690 has 16 divisors (see below), whose sum is σ = 7863480. Its totient is φ = 1630720.

The previous prime is 4222679. The next prime is 4222703. The reversal of 4222690 is 962224.

It can be written as a sum of positive squares in 4 ways, for example, as 4012009 + 210681 = 2003^2 + 459^2 .

It is a super-2 number, since 2×4222690² = 35662221672200, which contains 22 as substring.

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, 6991 + ... + 7570.

Almost surely, 2^4222690 is an apocalyptic number.

4222690 is a deficient number, since it is larger than the sum of its proper divisors (3640790).

4222690 is a wasteful number, since it uses less digits than its factorization.

4222690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4222690 is about 2054.9184898677. The cubic root of 4222690 is about 161.6328881614.

The spelling of 4222690 in words is "four million, two hundred twenty-two thousand, six hundred ninety".