22021050 has 24 divisors (see below), whose sum is σ = 54612576. Its totient is φ = 5872240.

The previous prime is 22021049. The next prime is 22021093. The reversal of 22021050 is 5012022.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73254 + ... + 73553.

It is an arithmetic number, because the mean of its divisors is an integer number (2275524).

Almost surely, 2^22021050 is an apocalyptic number.

22021050 is an abundant number, since it is smaller than the sum of its proper divisors (32591526).

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

22021050 is a wasteful number, since it uses less digits than its factorization.

22021050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146822 (or 146817 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 22021050 is about 4692.6591608597. The cubic root of 22021050 is about 280.2932726503.

Adding to 22021050 its reverse (5012022), we get a palindrome (27033072).

Subtracting from 22021050 its reverse (5012022), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 22021050 in words is "twenty-two million, twenty-one thousand, fifty".