22477025 has 12 divisors (see below), whose sum is σ = 28038012. Its totient is φ = 17874240.

The previous prime is 22476997. The next prime is 22477027. The reversal of 22477025 is 52077422.

It can be written as a sum of positive squares in 6 ways, for example, as 132496 + 22344529 = 364^2 + 4727^2 .

It is not a de Polignac number, because 22477025 - 2¹⁰ = 22476001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22477027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1727 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (2336501).

Almost surely, 2^22477025 is an apocalyptic number.

22477025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22477025 is a deficient number, since it is larger than the sum of its proper divisors (5560987).

22477025 is a wasteful number, since it uses less digits than its factorization.

22477025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 5375 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 22477025 is about 4740.9940940693. The cubic root of 22477025 is about 282.2146857050.

The spelling of 22477025 in words is "twenty-two million, four hundred seventy-seven thousand, twenty-five".