45071222 has 16 divisors (see below), whose sum is σ = 78325152. Its totient is φ = 19051200.

The previous prime is 45071209. The next prime is 45071231. The reversal of 45071222 is 22217054.

It is a happy number.

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, 21029 + ... + 23072.

It is an arithmetic number, because the mean of its divisors is an integer number (4895322).

Almost surely, 2^45071222 is an apocalyptic number.

45071222 is a deficient number, since it is larger than the sum of its proper divisors (33253930).

45071222 is a wasteful number, since it uses less digits than its factorization.

45071222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44183.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 45071222 is about 6713.5104081248. The cubic root of 45071222 is about 355.8768826886.

Adding to 45071222 its reverse (22217054), we get a palindrome (67288276).

The spelling of 45071222 in words is "forty-five million, seventy-one thousand, two hundred twenty-two".