22441725 has 24 divisors (see below), whose sum is σ = 41227520. Its totient is φ = 11968560.

The previous prime is 22441723. The next prime is 22441729. The reversal of 22441725 is 52714422.

22441725 is a `hidden beast` number, since 224 + 417 + 25 = 666.

It is not a de Polignac number, because 22441725 - 2¹ = 22441723 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22441723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15949 + ... + 17298.

Almost surely, 2^22441725 is an apocalyptic number.

22441725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22441725 is a deficient number, since it is larger than the sum of its proper divisors (18785795).

22441725 is a wasteful number, since it uses less digits than its factorization.

22441725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33266 (or 33255 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 22441725 is about 4737.2697833246. The cubic root of 22441725 is about 282.0668696107.

It can be divided in two parts, 2244 and 1725, that added together give a square (3969 = 63²).

The spelling of 22441725 in words is "twenty-two million, four hundred forty-one thousand, seven hundred twenty-five".