22233040 has 40 divisors (see below), whose sum is σ = 54416160. Its totient is φ = 8424576.

The previous prime is 22233017. The next prime is 22233047. The reversal of 22233040 is 4033222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5794 + ... + 8833.

It is an arithmetic number, because the mean of its divisors is an integer number (1360404).

Almost surely, 2^22233040 is an apocalyptic number.

22233040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22233040 is an abundant number, since it is smaller than the sum of its proper divisors (32183120).

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

22233040 is a wasteful number, since it uses less digits than its factorization.

22233040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14659 (or 14653 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22233040 is about 4715.1924669095. The cubic root of 22233040 is about 281.1898347023.

Adding to 22233040 its reverse (4033222), we get a palindrome (26266262).

The spelling of 22233040 in words is "twenty-two million, two hundred thirty-three thousand, forty".