18227052 has 24 divisors (see below), whose sum is σ = 47255600. Its totient is φ = 6075648.

The previous prime is 18227003. The next prime is 18227081. The reversal of 18227052 is 25072281.

It is a super-2 number, since 2×18227052² = 664450849221408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84277 + ... + 84492.

Almost surely, 2^18227052 is an apocalyptic number.

18227052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18227052 is an abundant number, since it is smaller than the sum of its proper divisors (29028548).

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

18227052 is a wasteful number, since it uses less digits than its factorization.

18227052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168782 (or 168774 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 18227052 is about 4269.3151675649. The cubic root of 18227052 is about 263.1714727506.

The spelling of 18227052 in words is "eighteen million, two hundred twenty-seven thousand, fifty-two".