22050978 has 16 divisors (see below), whose sum is σ = 44222880. Its totient is φ = 7330176.

The previous prime is 22050971. The next prime is 22050979. The reversal of 22050978 is 87905022.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22050971) 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, 2575 + ... + 7122.

It is an arithmetic number, because the mean of its divisors is an integer number (2763930).

Almost surely, 2^22050978 is an apocalyptic number.

22050978 is an abundant number, since it is smaller than the sum of its proper divisors (22171902).

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

22050978 is a wasteful number, since it uses less digits than its factorization.

22050978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 22050978 is about 4695.8468884750. The cubic root of 22050978 is about 280.4201939326.

The spelling of 22050978 in words is "twenty-two million, fifty thousand, nine hundred seventy-eight".