28426622 has 16 divisors (see below), whose sum is σ = 51296640. Its totient is φ = 11541528.

The previous prime is 28426609. The next prime is 28426627. The reversal of 28426622 is 22662482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28426627) 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, 53168 + ... + 53699.

It is an arithmetic number, because the mean of its divisors is an integer number (3206040).

Almost surely, 2^28426622 is an apocalyptic number.

28426622 is a deficient number, since it is larger than the sum of its proper divisors (22870018).

28426622 is a wasteful number, since it uses less digits than its factorization.

28426622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106895.

The product of its digits is 18432, while the sum is 32.

The square root of 28426622 is about 5331.6622173577. The cubic root of 28426622 is about 305.1933630085.

The spelling of 28426622 in words is "twenty-eight million, four hundred twenty-six thousand, six hundred twenty-two".