22461325 has 12 divisors (see below), whose sum is σ = 29318560. Its totient is φ = 17022960.

The previous prime is 22461311. The next prime is 22461337. The reversal of 22461325 is 52316422.

It is not a de Polignac number, because 22461325 - 2¹³ = 22453133 is a prime.

It is a super-2 number, since 2×22461325² = 1009022241511250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 22461325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23169 + ... + 24118.

Almost surely, 2^22461325 is an apocalyptic number.

22461325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22461325 is a deficient number, since it is larger than the sum of its proper divisors (6857235).

22461325 is a wasteful number, since it uses less digits than its factorization.

22461325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47316 (or 47311 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 22461325 is about 4739.3380339452. The cubic root of 22461325 is about 282.1489622595.

Adding to 22461325 its reverse (52316422), we get a palindrome (74777747).

The spelling of 22461325 in words is "twenty-two million, four hundred sixty-one thousand, three hundred twenty-five".