22133522 has 16 divisors (see below), whose sum is σ = 34739712. Its totient is φ = 10565280.

The previous prime is 22133491. The next prime is 22133533. The reversal of 22133522 is 22533122.

It is a super-2 number, since 2×22133522² = 979785592248968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22133494 and 22133503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (2171232).

Almost surely, 2^22133522 is an apocalyptic number.

22133522 is a deficient number, since it is larger than the sum of its proper divisors (12606190).

22133522 is a wasteful number, since it uses less digits than its factorization.

22133522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833.

The product of its digits is 720, while the sum is 20.

The square root of 22133522 is about 4704.6277217225. The cubic root of 22133522 is about 280.7696596440.

Adding to 22133522 its reverse (22533122), we get a palindrome (44666644).

The spelling of 22133522 in words is "twenty-two million, one hundred thirty-three thousand, five hundred twenty-two".