55222153422 has 16 divisors (see below), whose sum is σ = 116941030992. Its totient is φ = 17324597120.

The previous prime is 55222153417. The next prime is 55222153471. The reversal of 55222153422 is 22435122255.

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, 270696729 + ... + 270696932.

It is an arithmetic number, because the mean of its divisors is an integer number (7308814437).

Almost surely, 2^55222153422 is an apocalyptic number.

55222153422 is an abundant number, since it is smaller than the sum of its proper divisors (61718877570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55222153422 is a wasteful number, since it uses less digits than its factorization.

55222153422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541393683.

The product of its digits is 48000, while the sum is 33.

Adding to 55222153422 its reverse (22435122255), we get a palindrome (77657275677).

The spelling of 55222153422 in words is "fifty-five billion, two hundred twenty-two million, one hundred fifty-three thousand, four hundred twenty-two".