22061418 has 8 divisors (see below), whose sum is σ = 44122848. Its totient is φ = 7353804.

The previous prime is 22061411. The next prime is 22061419. The reversal of 22061418 is 81416022.

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

22061418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22061411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838446 + ... + 1838457.

It is an arithmetic number, because the mean of its divisors is an integer number (5515356).

Almost surely, 2^22061418 is an apocalyptic number.

22061418 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.

22061418 is a wasteful number, since it uses less digits than its factorization.

22061418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676908.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 22061418 is about 4696.9583775035. The cubic root of 22061418 is about 280.4644417799.

The spelling of 22061418 in words is "twenty-two million, sixty-one thousand, four hundred eighteen".