22945949 has 8 divisors (see below), whose sum is σ = 24748920. Its totient is φ = 21148416.

The previous prime is 22945933. The next prime is 22945987. The reversal of 22945949 is 94954922.

It can be written as a sum of positive squares in 4 ways, for example, as 3541924 + 19404025 = 1882^2 + 4405^2 .

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 22945949 - 2⁴ = 22945933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22945049) 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, 13457 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (3093615).

Almost surely, 2^22945949 is an apocalyptic number.

It is an amenable number.

22945949 is a deficient number, since it is larger than the sum of its proper divisors (1802971).

22945949 is a wasteful number, since it uses less digits than its factorization.

22945949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719.

The product of its digits is 233280, while the sum is 44.

The square root of 22945949 is about 4790.1930023747. The cubic root of 22945949 is about 284.1637495460.

The spelling of 22945949 in words is "twenty-two million, nine hundred forty-five thousand, nine hundred forty-nine".