4022658 has 12 divisors (see below), whose sum is σ = 8715798. Its totient is φ = 1340880.

The previous prime is 4022657. The next prime is 4022663. The reversal of 4022658 is 8562204.

4022658 is a `hidden beast` number, since 4 + 0 + 2 + 2 + 658 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2913849 + 1108809 = 1707^2 + 1053^2 .

It is not an unprimeable number, because it can be changed into a prime (4022657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111723 + ... + 111758.

Almost surely, 2^4022658 is an apocalyptic number.

4022658 is an abundant number, since it is smaller than the sum of its proper divisors (4693140).

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

4022658 is a wasteful number, since it uses less digits than its factorization.

4022658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223489 (or 223486 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4022658 is about 2005.6565009991. The cubic root of 4022658 is about 159.0392688104.

The spelling of 4022658 in words is "four million, twenty-two thousand, six hundred fifty-eight".