55222202 has 16 divisors (see below), whose sum is σ = 96220032. Its totient is φ = 23278320.

The previous prime is 55222201. The next prime is 55222207. The reversal of 55222202 is 20222255.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55222201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31478 + ... + 33185.

It is an arithmetic number, because the mean of its divisors is an integer number (6013752).

Almost surely, 2^55222202 is an apocalyptic number.

55222202 is a deficient number, since it is larger than the sum of its proper divisors (40997830).

55222202 is a wasteful number, since it uses less digits than its factorization.

55222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64733.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 55222202 is about 7431.1642425666. The cubic root of 55222202 is about 380.8066934789.

Adding to 55222202 its reverse (20222255), we get a palindrome (75444457).

The spelling of 55222202 in words is "fifty-five million, two hundred twenty-two thousand, two hundred two".