22266025 has 12 divisors (see below), whose sum is σ = 27881152. Its totient is φ = 17637840.

The previous prime is 22266019. The next prime is 22266053. The reversal of 22266025 is 52066222.

It is not a de Polignac number, because 22266025 - 2³ = 22266017 is a prime.

It is a super-3 number, since 3×22266025³ (a number of 23 digits) contains 333 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1749 + ... + 6898.

Almost surely, 2^22266025 is an apocalyptic number.

22266025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22266025 is a deficient number, since it is larger than the sum of its proper divisors (5615127).

22266025 is a wasteful number, since it uses less digits than its factorization.

22266025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760 (or 8755 counting only the distinct ones).

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

The square root of 22266025 is about 4718.6889068893. The cubic root of 22266025 is about 281.3288239970.

The spelling of 22266025 in words is "twenty-two million, two hundred sixty-six thousand, twenty-five".