22262525 has 6 divisors (see below), whose sum is σ = 27605562. Its totient is φ = 17810000.

The previous prime is 22262507. The next prime is 22262543. The reversal of 22262525 is 52526222.

It is an interprime number because it is at equal distance from previous prime (22262507) and next prime (22262543).

It can be written as a sum of positive squares in 3 ways, for example, as 481636 + 21780889 = 694^2 + 4667^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22262525 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22262494 and 22262503.

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, 445226 + ... + 445275.

It is an arithmetic number, because the mean of its divisors is an integer number (4600927).

Almost surely, 2^22262525 is an apocalyptic number.

22262525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22262525 is a deficient number, since it is larger than the sum of its proper divisors (5343037).

22262525 is an equidigital number, since it uses as much as digits as its factorization.

22262525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890511 (or 890506 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 22262525 is about 4718.3180265853. The cubic root of 22262525 is about 281.3140825171.

Adding to 22262525 its reverse (52526222), we get a palindrome (74788747).

The spelling of 22262525 in words is "twenty-two million, two hundred sixty-two thousand, five hundred twenty-five".