45649222 has 8 divisors (see below), whose sum is σ = 68974056. Its totient is φ = 22657872.

The previous prime is 45649213. The next prime is 45649223. The reversal of 45649222 is 22294654.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45649223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83028 + ... + 83575.

It is an arithmetic number, because the mean of its divisors is an integer number (8621757).

Almost surely, 2^45649222 is an apocalyptic number.

45649222 is a deficient number, since it is larger than the sum of its proper divisors (23324834).

45649222 is a wasteful number, since it uses less digits than its factorization.

45649222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166742.

The product of its digits is 34560, while the sum is 34.

The square root of 45649222 is about 6756.4207980261. The cubic root of 45649222 is about 357.3916981671.

The spelling of 45649222 in words is "forty-five million, six hundred forty-nine thousand, two hundred twenty-two".