45451222 has 16 divisors (see below), whose sum is σ = 69986592. Its totient is φ = 22129920.

The previous prime is 45451213. The next prime is 45451261. The reversal of 45451222 is 22215454.

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, 10758 + ... + 14374.

It is an arithmetic number, because the mean of its divisors is an integer number (4374162).

Almost surely, 2^45451222 is an apocalyptic number.

45451222 is a deficient number, since it is larger than the sum of its proper divisors (24535370).

45451222 is a wasteful number, since it uses less digits than its factorization.

45451222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783.

The product of its digits is 3200, while the sum is 25.

The square root of 45451222 is about 6741.7521461412. The cubic root of 45451222 is about 356.8742295891.

Adding to 45451222 its reverse (22215454), we get a palindrome (67666676).

The spelling of 45451222 in words is "forty-five million, four hundred fifty-one thousand, two hundred twenty-two".