22325522 has 16 divisors (see below), whose sum is σ = 35603712. Its totient is φ = 10463040.

The previous prime is 22325509. The next prime is 22325531. The reversal of 22325522 is 22552322.

It is a happy number.

It is a super-3 number, since 3×22325522³ (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 7 ways as a sum of consecutive naturals, for example, 8003 + ... + 10425.

It is an arithmetic number, because the mean of its divisors is an integer number (2225232).

Almost surely, 2^22325522 is an apocalyptic number.

22325522 is a deficient number, since it is larger than the sum of its proper divisors (13278190).

22325522 is a wasteful number, since it uses less digits than its factorization.

22325522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713.

The product of its digits is 2400, while the sum is 23.

The square root of 22325522 is about 4724.9891005165. The cubic root of 22325522 is about 281.5791805292.

Adding to 22325522 its reverse (22552322), we get a palindrome (44877844).

The spelling of 22325522 in words is "twenty-two million, three hundred twenty-five thousand, five hundred twenty-two".