22723336 has 8 divisors (see below), whose sum is σ = 42606270. Its totient is φ = 11361664.

The previous prime is 22723331. The next prime is 22723361. The reversal of 22723336 is 63332722.

It can be written as a sum of positive squares in only one way, i.e., 18438436 + 4284900 = 4294^2 + 2070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22723331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420201 + ... + 1420216.

Almost surely, 2^22723336 is an apocalyptic number.

It is an amenable number.

22723336 is a deficient number, since it is larger than the sum of its proper divisors (19882934).

22723336 is a wasteful number, since it uses less digits than its factorization.

22723336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840423 (or 2840419 counting only the distinct ones).

The product of its digits is 9072, while the sum is 28.

The square root of 22723336 is about 4766.9000409071. The cubic root of 22723336 is about 283.2418115780.

The spelling of 22723336 in words is "twenty-two million, seven hundred twenty-three thousand, three hundred thirty-six".