45252222 has 16 divisors (see below), whose sum is σ = 91336080. Its totient is φ = 14945472.

The previous prime is 45252203. The next prime is 45252239. The reversal of 45252222 is 22225254.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45252192 and 45252201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33943 + ... + 35250.

It is an arithmetic number, because the mean of its divisors is an integer number (5708505).

Almost surely, 2^45252222 is an apocalyptic number.

45252222 is an abundant number, since it is smaller than the sum of its proper divisors (46083858).

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

45252222 is a wasteful number, since it uses less digits than its factorization.

45252222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69307.

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

The square root of 45252222 is about 6726.9771814687. The cubic root of 45252222 is about 356.3526310645.

Adding to 45252222 its reverse (22225254), we get a palindrome (67477476).

The spelling of 45252222 in words is "forty-five million, two hundred fifty-two thousand, two hundred twenty-two".