45204222 has 32 divisors (see below), whose sum is σ = 105848064. Its totient is φ = 12600000.

The previous prime is 45204217. The next prime is 45204227. The reversal of 45204222 is 22240254.

It is an interprime number because it is at equal distance from previous prime (45204217) and next prime (45204227).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45204227) 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, 11404 + ... + 14847.

It is an arithmetic number, because the mean of its divisors is an integer number (3307752).

Almost surely, 2^45204222 is an apocalyptic number.

45204222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45204222 is an abundant number, since it is smaller than the sum of its proper divisors (60643842).

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

45204222 is a wasteful number, since it uses less digits than its factorization.

45204222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26304.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 45204222 is about 6723.4085105696. The cubic root of 45204222 is about 356.2265895358.

Adding to 45204222 its reverse (22240254), we get a palindrome (67444476).

The spelling of 45204222 in words is "forty-five million, two hundred four thousand, two hundred twenty-two".