28046622 has 32 divisors (see below), whose sum is σ = 59299200. Its totient is φ = 8818848.

The previous prime is 28046609. The next prime is 28046657. The reversal of 28046622 is 22664082.

It is a super-2 number, since 2×28046622² = 1573226011221768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28046622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39204 + ... + 39912.

It is an arithmetic number, because the mean of its divisors is an integer number (1853100).

Almost surely, 2^28046622 is an apocalyptic number.

28046622 is an abundant number, since it is smaller than the sum of its proper divisors (31252578).

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

28046622 is a wasteful number, since it uses less digits than its factorization.

28046622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 28046622 is about 5295.9061547577. The cubic root of 28046622 is about 303.8273416494.

The spelling of 28046622 in words is "twenty-eight million, forty-six thousand, six hundred twenty-two".