45031322 has 8 divisors (see below), whose sum is σ = 77196576. Its totient is φ = 19299132.

The previous prime is 45031321. The next prime is 45031333. The reversal of 45031322 is 22313054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45031322² = 4055639922135368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45031294 and 45031303.

It is not an unprimeable number, because it can be changed into a prime (45031321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608248 + ... + 1608275.

It is an arithmetic number, because the mean of its divisors is an integer number (9649572).

Almost surely, 2^45031322 is an apocalyptic number.

45031322 is a deficient number, since it is larger than the sum of its proper divisors (32165254).

45031322 is a wasteful number, since it uses less digits than its factorization.

45031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216532.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 45031322 is about 6710.5381304334. The cubic root of 45031322 is about 355.7718365035.

Adding to 45031322 its reverse (22313054), we get a palindrome (67344376).

The spelling of 45031322 in words is "forty-five million, thirty-one thousand, three hundred twenty-two".