55222342 has 16 divisors (see below), whose sum is σ = 94823712. Its totient is φ = 23627520.

The previous prime is 55222339. The next prime is 55222357. The reversal of 55222342 is 24322255.

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, 6492 + ... + 12352.

It is an arithmetic number, because the mean of its divisors is an integer number (5926482).

Almost surely, 2^55222342 is an apocalyptic number.

55222342 is a deficient number, since it is larger than the sum of its proper divisors (39601370).

55222342 is a wasteful number, since it uses less digits than its factorization.

55222342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543.

The product of its digits is 4800, while the sum is 25.

The square root of 55222342 is about 7431.1736623497. The cubic root of 55222342 is about 380.8070152872.

Adding to 55222342 its reverse (24322255), we get a palindrome (79544597).

The spelling of 55222342 in words is "fifty-five million, two hundred twenty-two thousand, three hundred forty-two".