22773472 has 24 divisors (see below), whose sum is σ = 47473776. Its totient is φ = 10716672.

The previous prime is 22773467. The next prime is 22773511. The reversal of 22773472 is 27437722.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 20388 + ... + 21475.

It is an arithmetic number, because the mean of its divisors is an integer number (1978074).

Almost surely, 2^22773472 is an apocalyptic number.

It is an amenable number.

22773472 is an abundant number, since it is smaller than the sum of its proper divisors (24700304).

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

22773472 is a wasteful number, since it uses less digits than its factorization.

22773472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41890 (or 41882 counting only the distinct ones).

The product of its digits is 32928, while the sum is 34.

The square root of 22773472 is about 4772.1559069251. The cubic root of 22773472 is about 283.4499702793.

The spelling of 22773472 in words is "twenty-two million, seven hundred seventy-three thousand, four hundred seventy-two".