22520950 has 24 divisors (see below), whose sum is σ = 42305328. Its totient is φ = 8918880.

The previous prime is 22520941. The next prime is 22520957. The reversal of 22520950 is 5902522.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2964 + ... + 7336.

It is an arithmetic number, because the mean of its divisors is an integer number (1762722).

Almost surely, 2^22520950 is an apocalyptic number.

22520950 is a deficient number, since it is larger than the sum of its proper divisors (19784378).

22520950 is a wasteful number, since it uses less digits than its factorization.

22520950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488 (or 4483 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 22520950 is about 4745.6243003424. The cubic root of 22520950 is about 282.3984023937.

It can be divided in two parts, 2 and 2520950, that multiplied together give a triangular number (5041900 = T₃₁₇₅).

The spelling of 22520950 in words is "twenty-two million, five hundred twenty thousand, nine hundred fifty".