22615469 has 4 divisors (see below), whose sum is σ = 22638396. Its totient is φ = 22592544.

The previous prime is 22615451. The next prime is 22615487. The reversal of 22615469 is 96451622.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (22615451) and next prime (22615487).

It can be written as a sum of positive squares in 2 ways, for example, as 19909444 + 2706025 = 4462^2 + 1645^2 .

It is a cyclic number.

It is not a de Polignac number, because 22615469 - 2¹² = 22611373 is a prime.

It is a super-2 number, since 2×22615469² = 1022918876179922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22615499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9914 + ... + 11979.

It is an arithmetic number, because the mean of its divisors is an integer number (5659599).

Almost surely, 2^22615469 is an apocalyptic number.

It is an amenable number.

22615469 is a deficient number, since it is larger than the sum of its proper divisors (22927).

22615469 is a wasteful number, since it uses less digits than its factorization.

22615469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22926.

The product of its digits is 25920, while the sum is 35.

The square root of 22615469 is about 4755.5724155984. The cubic root of 22615469 is about 282.7929203848.

The spelling of 22615469 in words is "twenty-two million, six hundred fifteen thousand, four hundred sixty-nine".