22469285 has 4 divisors (see below), whose sum is σ = 26963148. Its totient is φ = 17975424.

The previous prime is 22469261. The next prime is 22469303. The reversal of 22469285 is 58296422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2879809 + 19589476 = 1697^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 22469285 - 2¹⁴ = 22452901 is a prime.

It is a super-2 number, since 2×22469285² = 1009737536822450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246924 + ... + 2246933.

It is an arithmetic number, because the mean of its divisors is an integer number (6740787).

Almost surely, 2^22469285 is an apocalyptic number.

It is an amenable number.

22469285 is a deficient number, since it is larger than the sum of its proper divisors (4493863).

22469285 is an equidigital number, since it uses as much as digits as its factorization.

22469285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493862.

The product of its digits is 69120, while the sum is 38.

The square root of 22469285 is about 4740.1777392836. The cubic root of 22469285 is about 282.1822882911.

The spelling of 22469285 in words is "twenty-two million, four hundred sixty-nine thousand, two hundred eighty-five".