45205222 has 16 divisors (see below), whose sum is σ = 69027840. Its totient is φ = 22199112.

The previous prime is 45205219. The next prime is 45205241. The reversal of 45205222 is 22250254.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45205193 and 45205202.

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, 34593 + ... + 35875.

It is an arithmetic number, because the mean of its divisors is an integer number (4314240).

Almost surely, 2^45205222 is an apocalyptic number.

45205222 is a deficient number, since it is larger than the sum of its proper divisors (23822618).

45205222 is a wasteful number, since it uses less digits than its factorization.

45205222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

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

The square root of 45205222 is about 6723.4828771999. The cubic root of 45205222 is about 356.2292163108.

Adding to 45205222 its reverse (22250254), we get a palindrome (67455476).

The spelling of 45205222 in words is "forty-five million, two hundred five thousand, two hundred twenty-two".