28377022 has 12 divisors (see below), whose sum is σ = 44086536. Its totient is φ = 13698440.

The previous prime is 28377001. The next prime is 28377023. The reversal of 28377022 is 22077382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28377023) 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, 6754 + ... + 10117.

It is an arithmetic number, because the mean of its divisors is an integer number (3673878).

Almost surely, 2^28377022 is an apocalyptic number.

28377022 is a deficient number, since it is larger than the sum of its proper divisors (15709514).

28377022 is a wasteful number, since it uses less digits than its factorization.

28377022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16931 (or 16902 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 28377022 is about 5327.0087291087. The cubic root of 28377022 is about 305.0157548074.

The spelling of 28377022 in words is "twenty-eight million, three hundred seventy-seven thousand, twenty-two".