45216322 has 4 divisors (see below), whose sum is σ = 67824486. Its totient is φ = 22608160.

The previous prime is 45216319. The next prime is 45216343. The reversal of 45216322 is 22361254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22361254 = 2 ⋅11180627.

It can be written as a sum of positive squares in only one way, i.e., 42523441 + 2692881 = 6521^2 + 1641^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11304079 + ... + 11304082.

Almost surely, 2^45216322 is an apocalyptic number.

45216322 is a deficient number, since it is larger than the sum of its proper divisors (22608164).

45216322 is a wasteful number, since it uses less digits than its factorization.

45216322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22608163.

The product of its digits is 2880, while the sum is 25.

The square root of 45216322 is about 6724.3082915643. The cubic root of 45216322 is about 356.2583709124.

Adding to 45216322 its reverse (22361254), we get a palindrome (67577576).

The spelling of 45216322 in words is "forty-five million, two hundred sixteen thousand, three hundred twenty-two".