45022200 has 48 divisors (see below), whose sum is σ = 139570680. Its totient is φ = 12005760.

The previous prime is 45022177. The next prime is 45022207. The reversal of 45022200 is 222054.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 45022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45022207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36919 + ... + 38118.

Almost surely, 2^45022200 is an apocalyptic number.

45022200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45022200 is an abundant number, since it is smaller than the sum of its proper divisors (94548480).

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

45022200 is a wasteful number, since it uses less digits than its factorization.

45022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75056 (or 75047 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 45022200 is about 6709.8584187746. The cubic root of 45022200 is about 355.7478119674.

Adding to 45022200 its reverse (222054), we get a palindrome (45244254).

The spelling of 45022200 in words is "forty-five million, twenty-two thousand, two hundred".