45222909 has 8 divisors (see below), whose sum is σ = 60328512. Its totient is φ = 30132960.

The previous prime is 45222887. The next prime is 45222911. The reversal of 45222909 is 90922254.

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

It is not a de Polignac number, because 45222909 - 2⁷ = 45222781 is a prime.

It is a super-2 number, since 2×45222909² = 4090222996844562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45222909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45222929) 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, 8104 + ... + 12494.

It is an arithmetic number, because the mean of its divisors is an integer number (7541064).

Almost surely, 2^45222909 is an apocalyptic number.

It is an amenable number.

45222909 is a deficient number, since it is larger than the sum of its proper divisors (15105603).

45222909 is a wasteful number, since it uses less digits than its factorization.

45222909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 45222909 is about 6724.7980638827. The cubic root of 45222909 is about 356.2756696800.

The spelling of 45222909 in words is "forty-five million, two hundred twenty-two thousand, nine hundred nine".