22325512 has 32 divisors (see below), whose sum is σ = 46425600. Its totient is φ = 9979200.

The previous prime is 22325509. The next prime is 22325531. The reversal of 22325512 is 21552322.

It is a super-3 number, since 3×22325512³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 3289 + ... + 7447.

It is an arithmetic number, because the mean of its divisors is an integer number (1450800).

Almost surely, 2^22325512 is an apocalyptic number.

22325512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22325512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23212800).

22325512 is an abundant number, since it is smaller than the sum of its proper divisors (24100088).

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

22325512 is a wasteful number, since it uses less digits than its factorization.

22325512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237 (or 4233 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 22325512 is about 4724.9880423129. The cubic root of 22325512 is about 281.5791384877.

Adding to 22325512 its reverse (21552322), we get a palindrome (43877834).

It can be divided in two parts, 2232 and 5512, that added together give a square (7744 = 88²).

The spelling of 22325512 in words is "twenty-two million, three hundred twenty-five thousand, five hundred twelve".