22623649 has 8 divisors (see below), whose sum is σ = 23016960. Its totient is φ = 22232736.

The previous prime is 22623637. The next prime is 22623659. The reversal of 22623649 is 94632622.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22623649 - 2¹¹ = 22621601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22623659) 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, 34644 + ... + 35290.

It is an arithmetic number, because the mean of its divisors is an integer number (2877120).

Almost surely, 2^22623649 is an apocalyptic number.

It is an amenable number.

22623649 is a deficient number, since it is larger than the sum of its proper divisors (393311).

22623649 is an equidigital number, since it uses as much as digits as its factorization.

22623649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199.

The product of its digits is 31104, while the sum is 34.

The square root of 22623649 is about 4756.4323815229. The cubic root of 22623649 is about 282.8270116115.

The spelling of 22623649 in words is "twenty-two million, six hundred twenty-three thousand, six hundred forty-nine".