45216622 has 16 divisors (see below), whose sum is σ = 74373552. Its totient is φ = 20446720.

The previous prime is 45216593. The next prime is 45216623. The reversal of 45216622 is 22661254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45216623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883 + ... + 9550.

It is an arithmetic number, because the mean of its divisors is an integer number (4648347).

Almost surely, 2^45216622 is an apocalyptic number.

45216622 is a deficient number, since it is larger than the sum of its proper divisors (29156930).

45216622 is a wasteful number, since it uses less digits than its factorization.

45216622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643.

The product of its digits is 5760, while the sum is 28.

The square root of 45216622 is about 6724.3305986544. The cubic root of 45216622 is about 356.2591588083.

Adding to 45216622 its reverse (22661254), we get a palindrome (67877876).

The spelling of 45216622 in words is "forty-five million, two hundred sixteen thousand, six hundred twenty-two".