22869425 has 6 divisors (see below), whose sum is σ = 28358118. Its totient is φ = 18295520.

The previous prime is 22869409. The next prime is 22869443. The reversal of 22869425 is 52496822.

It can be written as a sum of positive squares in 3 ways, for example, as 7573504 + 15295921 = 2752^2 + 3911^2 .

It is not a de Polignac number, because 22869425 - 2⁴ = 22869409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457364 + ... + 457413.

It is an arithmetic number, because the mean of its divisors is an integer number (4726353).

Almost surely, 2^22869425 is an apocalyptic number.

22869425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22869425 is a deficient number, since it is larger than the sum of its proper divisors (5488693).

22869425 is an equidigital number, since it uses as much as digits as its factorization.

22869425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914787 (or 914782 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 22869425 is about 4782.1987620759. The cubic root of 22869425 is about 283.8475054165.

It can be divided in two parts, 2286 and 9425, that added together give a palindrome (11711).

The spelling of 22869425 in words is "twenty-two million, eight hundred sixty-nine thousand, four hundred twenty-five".