27952122 has 32 divisors (see below), whose sum is σ = 62290944. Its totient is φ = 8289200.

The previous prime is 27952121. The next prime is 27952151. The reversal of 27952122 is 22125972.

It is a super-2 number, since 2×27952122² = 1562642248605768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27952122.

It is not an unprimeable number, because it can be changed into a prime (27952121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404 + ... + 7607.

It is an arithmetic number, because the mean of its divisors is an integer number (1946592).

Almost surely, 2^27952122 is an apocalyptic number.

27952122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27952122 is an abundant number, since it is smaller than the sum of its proper divisors (34338822).

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

27952122 is a wasteful number, since it uses less digits than its factorization.

27952122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074.

The product of its digits is 5040, while the sum is 30.

The square root of 27952122 is about 5286.9766407655. The cubic root of 27952122 is about 303.4857201018.

The spelling of 27952122 in words is "twenty-seven million, nine hundred fifty-two thousand, one hundred twenty-two".