45222052 has 48 divisors (see below), whose sum is σ = 86365440. Its totient is φ = 20652192.

The previous prime is 45222031. The next prime is 45222059. The reversal of 45222052 is 25022254.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45222059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422583 + ... + 422689.

It is an arithmetic number, because the mean of its divisors is an integer number (1799280).

Almost surely, 2^45222052 is an apocalyptic number.

It is an amenable number.

45222052 is a deficient number, since it is larger than the sum of its proper divisors (41143388).

45222052 is a wasteful number, since it uses less digits than its factorization.

45222052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 45222052 is about 6724.7343441953. The cubic root of 45222052 is about 356.2734191232.

The spelling of 45222052 in words is "forty-five million, two hundred twenty-two thousand, fifty-two".