22301425 has 6 divisors (see below), whose sum is σ = 27653798. Its totient is φ = 17841120.

The previous prime is 22301423. The next prime is 22301429. The reversal of 22301425 is 52410322.

It can be written as a sum of positive squares in 3 ways, for example, as 136161 + 22165264 = 369^2 + 4708^2 .

It is not a de Polignac number, because 22301425 - 2¹ = 22301423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22301423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 446004 + ... + 446053.

Almost surely, 2^22301425 is an apocalyptic number.

22301425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22301425 is a deficient number, since it is larger than the sum of its proper divisors (5352373).

22301425 is an equidigital number, since it uses as much as digits as its factorization.

22301425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892067 (or 892062 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22301425 is about 4722.4384591014. The cubic root of 22301425 is about 281.4778367819.

Adding to 22301425 its reverse (52410322), we get a palindrome (74711747).

It can be divided in two parts, 2230 and 1425, that added together give a triangular number (3655 = T₈₅).

The spelling of 22301425 in words is "twenty-two million, three hundred one thousand, four hundred twenty-five".