54222212 has 24 divisors (see below), whose sum is σ = 103838112. Its totient is φ = 24569600.

The previous prime is 54222191. The next prime is 54222221. The reversal of 54222212 is 21222245.

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, 13787 + ... + 17277.

It is an arithmetic number, because the mean of its divisors is an integer number (4326588).

Almost surely, 2^54222212 is an apocalyptic number.

It is an amenable number.

54222212 is a deficient number, since it is larger than the sum of its proper divisors (49615900).

54222212 is a wasteful number, since it uses less digits than its factorization.

54222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859 (or 3857 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 54222212 is about 7363.5733173508. The cubic root of 54222212 is about 378.4940676045.

Adding to 54222212 its reverse (21222245), we get a palindrome (75444457).

The spelling of 54222212 in words is "fifty-four million, two hundred twenty-two thousand, two hundred twelve".