22023772 has 12 divisors (see below), whose sum is σ = 40808880. Its totient is φ = 10364096.

The previous prime is 22023763. The next prime is 22023787. The reversal of 22023772 is 27732022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161872 + ... + 162007.

It is an arithmetic number, because the mean of its divisors is an integer number (3400740).

Almost surely, 2^22023772 is an apocalyptic number.

It is an amenable number.

22023772 is a deficient number, since it is larger than the sum of its proper divisors (18785108).

22023772 is a wasteful number, since it uses less digits than its factorization.

22023772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323900 (or 323898 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 22023772 is about 4692.9491793541. The cubic root of 22023772 is about 280.3048210983.

Adding to 22023772 its reverse (27732022), we get a palindrome (49755794).

The spelling of 22023772 in words is "twenty-two million, twenty-three thousand, seven hundred seventy-two".