22023650 has 48 divisors (see below), whose sum is σ = 46657728. Its totient is φ = 7656000.

The previous prime is 22023629. The next prime is 22023691. The reversal of 22023650 is 5632022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11780 + ... + 13520.

It is an arithmetic number, because the mean of its divisors is an integer number (972036).

Almost surely, 2^22023650 is an apocalyptic number.

22023650 is an abundant number, since it is smaller than the sum of its proper divisors (24634078).

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

22023650 is a wasteful number, since it uses less digits than its factorization.

22023650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22023650 is about 4692.9361811131. The cubic root of 22023650 is about 280.3043035174.

Adding to 22023650 its reverse (5632022), we get a palindrome (27655672).

The spelling of 22023650 in words is "twenty-two million, twenty-three thousand, six hundred fifty".