55022422 has 32 divisors (see below), whose sum is σ = 102312000. Its totient is φ = 21610368.

The previous prime is 55022419. The next prime is 55022447. The reversal of 55022422 is 22422055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55022393 and 55022402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26104 + ... + 28132.

It is an arithmetic number, because the mean of its divisors is an integer number (3197250).

Almost surely, 2^55022422 is an apocalyptic number.

55022422 is a deficient number, since it is larger than the sum of its proper divisors (47289578).

55022422 is a wasteful number, since it uses less digits than its factorization.

55022422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 55022422 is about 7417.7100239899. The cubic root of 55022422 is about 380.3469177218.

Adding to 55022422 its reverse (22422055), we get a palindrome (77444477).

The spelling of 55022422 in words is "fifty-five million, twenty-two thousand, four hundred twenty-two".