22326572 has 12 divisors (see below), whose sum is σ = 40332096. Its totient is φ = 10803120.

The previous prime is 22326553. The next prime is 22326581. The reversal of 22326572 is 27562322.

It is a super-3 number, since 3×22326572³ (a number of 23 digits) contains 333 as substring.

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, 89903 + ... + 90150.

It is an arithmetic number, because the mean of its divisors is an integer number (3361008).

Almost surely, 2^22326572 is an apocalyptic number.

It is an amenable number.

22326572 is a deficient number, since it is larger than the sum of its proper divisors (18005524).

22326572 is a wasteful number, since it uses less digits than its factorization.

22326572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180088 (or 180086 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 22326572 is about 4725.1002105775. The cubic root of 22326572 is about 281.5835948120.

Adding to 22326572 its reverse (27562322), we get a palindrome (49888894).

The spelling of 22326572 in words is "twenty-two million, three hundred twenty-six thousand, five hundred seventy-two".