84726228 has 24 divisors (see below), whose sum is σ = 198724288. Its totient is φ = 28094976.

The previous prime is 84726223. The next prime is 84726233. The reversal of 84726228 is 82262748.

It is an interprime number because it is at equal distance from previous prime (84726223) and next prime (84726233).

It is a super-2 number, since 2×84726228² = 14357067422215968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84726221) 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, 15976 + ... + 20607.

Almost surely, 2^84726228 is an apocalyptic number.

It is an amenable number.

84726228 is an abundant number, since it is smaller than the sum of its proper divisors (113998060).

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

84726228 is a wasteful number, since it uses less digits than its factorization.

84726228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36783 (or 36781 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 84726228 is about 9204.6851113984. The cubic root of 84726228 is about 439.2104089756.

The spelling of 84726228 in words is "eighty-four million, seven hundred twenty-six thousand, two hundred twenty-eight".