28941022 has 12 divisors (see below), whose sum is σ = 47717208. Its totient is φ = 13154900.

The previous prime is 28941007. The next prime is 28941041. The reversal of 28941022 is 22014982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59554 + ... + 60037.

It is an arithmetic number, because the mean of its divisors is an integer number (3976434).

Almost surely, 2^28941022 is an apocalyptic number.

28941022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28941022 is a deficient number, since it is larger than the sum of its proper divisors (18776186).

28941022 is a wasteful number, since it uses less digits than its factorization.

28941022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119615 (or 119604 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 28941022 is about 5379.6860503193. The cubic root of 28941022 is about 307.0232663881.

It can be divided in two parts, 2894 and 1022, that added together give a triangular number (3916 = T₈₈).

The spelling of 28941022 in words is "twenty-eight million, nine hundred forty-one thousand, twenty-two".