45522222 has 16 divisors (see below), whose sum is σ = 91701120. Its totient is φ = 15064632.

The previous prime is 45522193. The next prime is 45522293. The reversal of 45522222 is 22222554.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45522192 and 45522201.

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, 26458 + ... + 28125.

It is an arithmetic number, because the mean of its divisors is an integer number (5731320).

Almost surely, 2^45522222 is an apocalyptic number.

45522222 is an abundant number, since it is smaller than the sum of its proper divisors (46178898).

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

45522222 is a wasteful number, since it uses less digits than its factorization.

45522222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54727.

The product of its digits is 3200, while the sum is 24.

The square root of 45522222 is about 6747.0157847748. The cubic root of 45522222 is about 357.0599590148.

Adding to 45522222 its reverse (22222554), we get a palindrome (67744776).

The spelling of 45522222 in words is "forty-five million, five hundred twenty-two thousand, two hundred twenty-two".