28426022 has 16 divisors (see below), whose sum is σ = 44658432. Its totient is φ = 13544520.

The previous prime is 28426009. The next prime is 28426049. The reversal of 28426022 is 22062482.

It is a junction number, because it is equal to n+sod(n) for n = 28425982 and 28426000.

It is a congruent number.

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, 13313 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (2791152).

Almost surely, 2^28426022 is an apocalyptic number.

28426022 is a deficient number, since it is larger than the sum of its proper divisors (16232410).

28426022 is a wasteful number, since it uses less digits than its factorization.

28426022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 28426022 is about 5331.6059494302. The cubic root of 28426022 is about 305.1912157572.

The spelling of 28426022 in words is "twenty-eight million, four hundred twenty-six thousand, twenty-two".