22673772 has 72 divisors (see below), whose sum is σ = 64576512. Its totient is φ = 6645600.

The previous prime is 22673753. The next prime is 22673773. The reversal of 22673772 is 27737622.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22673773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11353 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (896896).

Almost surely, 2^22673772 is an apocalyptic number.

22673772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22673772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32288256).

22673772 is an abundant number, since it is smaller than the sum of its proper divisors (41902740).

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

22673772 is a wasteful number, since it uses less digits than its factorization.

22673772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1894 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 22673772 is about 4761.6984364825. The cubic root of 22673772 is about 283.0357265721.

The spelling of 22673772 in words is "twenty-two million, six hundred seventy-three thousand, seven hundred seventy-two".