45489222 has 16 divisors (see below), whose sum is σ = 101087280. Its totient is φ = 15163056.

The previous prime is 45489149. The next prime is 45489233. The reversal of 45489222 is 22298454.

45489222 is a `hidden beast` number, since 4 + 548 + 92 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421143 + ... + 421250.

It is an arithmetic number, because the mean of its divisors is an integer number (6317955).

Almost surely, 2^45489222 is an apocalyptic number.

45489222 is an abundant number, since it is smaller than the sum of its proper divisors (55598058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45489222 is a wasteful number, since it uses less digits than its factorization.

45489222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842404 (or 842398 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 45489222 is about 6744.5698157851. The cubic root of 45489222 is about 356.9736581086.

It can be divided in two parts, 454 and 89222, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 45489222 in words is "forty-five million, four hundred eighty-nine thousand, two hundred twenty-two".