45023222 has 8 divisors (see below), whose sum is σ = 69713472. Its totient is φ = 21785400.

The previous prime is 45023203. The next prime is 45023239. The reversal of 45023222 is 22232054.

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

It is a super-2 number, since 2×45023222² = 4054181038522568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45023194 and 45023203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363029 + ... + 363152.

It is an arithmetic number, because the mean of its divisors is an integer number (8714184).

Almost surely, 2^45023222 is an apocalyptic number.

45023222 is a deficient number, since it is larger than the sum of its proper divisors (24690250).

45023222 is a wasteful number, since it uses less digits than its factorization.

45023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726214.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 45023222 is about 6709.9345749418. The cubic root of 45023222 is about 355.7505037618.

Adding to 45023222 its reverse (22232054), we get a palindrome (67255276).

The spelling of 45023222 in words is "forty-five million, twenty-three thousand, two hundred twenty-two".