22052418 has 8 divisors (see below), whose sum is σ = 44104848. Its totient is φ = 7350804.

The previous prime is 22052347. The next prime is 22052431. The reversal of 22052418 is 81425022.

It is a sphenic number, since it is the product of 3 distinct primes.

22052418 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837696 + ... + 1837707.

It is an arithmetic number, because the mean of its divisors is an integer number (5513106).

Almost surely, 2^22052418 is an apocalyptic number.

22052418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22052418 is a wasteful number, since it uses less digits than its factorization.

22052418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675408.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 22052418 is about 4696.0002129472. Note that the first 3 decimals coincide. The cubic root of 22052418 is about 280.4262979141.

The spelling of 22052418 in words is "twenty-two million, fifty-two thousand, four hundred eighteen".