22383945 has 64 divisors (see below), whose sum is σ = 42508800. Its totient is φ = 11290752.

The previous prime is 22383943. The next prime is 22383973. The reversal of 22383945 is 54938322.

It is not a de Polignac number, because 22383945 - 2¹ = 22383943 is a prime.

Its product of digits (51840) is a multiple of the sum of its prime divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22383941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251461 + ... + 251549.

It is an arithmetic number, because the mean of its divisors is an integer number (664200).

Almost surely, 2^22383945 is an apocalyptic number.

It is an amenable number.

22383945 is a deficient number, since it is larger than the sum of its proper divisors (20124855).

22383945 is an frugal number, since it uses more digits than its factorization.

22383945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 120 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 22383945 is about 4731.1674035062. The cubic root of 22383945 is about 281.8245853399.

The spelling of 22383945 in words is "twenty-two million, three hundred eighty-three thousand, nine hundred forty-five".