22647669 has 8 divisors (see below), whose sum is σ = 32942112. Its totient is φ = 13725840.

The previous prime is 22647661. The next prime is 22647679. The reversal of 22647669 is 96674622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22647669 - 2³ = 22647661 is a prime.

It is a super-2 number, since 2×22647669² = 1025833822267122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22647669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22647661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343114 + ... + 343179.

It is an arithmetic number, because the mean of its divisors is an integer number (4117764).

Almost surely, 2^22647669 is an apocalyptic number.

It is an amenable number.

22647669 is a deficient number, since it is larger than the sum of its proper divisors (10294443).

22647669 is a wasteful number, since it uses less digits than its factorization.

22647669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686307.

The product of its digits is 217728, while the sum is 42.

The square root of 22647669 is about 4758.9567133984. The cubic root of 22647669 is about 282.9270706540.

It can be divided in two parts, 226 and 47669, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 22647669 in words is "twenty-two million, six hundred forty-seven thousand, six hundred sixty-nine".