22133020 has 48 divisors (see below), whose sum is σ = 57210048. Its totient is φ = 7004160.

The previous prime is 22133017. The next prime is 22133021. The reversal of 22133020 is 2033122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4261 + ... + 7900.

It is an arithmetic number, because the mean of its divisors is an integer number (1191876).

Almost surely, 2^22133020 is an apocalyptic number.

22133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22133020 is an abundant number, since it is smaller than the sum of its proper divisors (35077028).

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

22133020 is a wasteful number, since it uses less digits than its factorization.

22133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12190 (or 12188 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22133020 is about 4704.5743696959. The cubic root of 22133020 is about 280.7675369597.

Adding to 22133020 its reverse (2033122), we get a palindrome (24166142).

The spelling of 22133020 in words is "twenty-two million, one hundred thirty-three thousand, twenty".