222055351 has 4 divisors (see below), whose sum is σ = 253777552. Its totient is φ = 190333152.

The previous prime is 222055321. The next prime is 222055367. The reversal of 222055351 is 153550222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222055351 - 2⁹ = 222054839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222055321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15861090 + ... + 15861103.

It is an arithmetic number, because the mean of its divisors is an integer number (63444388).

Almost surely, 2^222055351 is an apocalyptic number.

222055351 is a deficient number, since it is larger than the sum of its proper divisors (31722201).

222055351 is an equidigital number, since it uses as much as digits as its factorization.

222055351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31722200.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 222055351 is about 14901.5217679269. The cubic root of 222055351 is about 605.5552137448. Note that the first 3 decimals are identical.

It can be divided in two parts, 22205 and 5351, that added together give a square (27556 = 166²).

The spelling of 222055351 in words is "two hundred twenty-two million, fifty-five thousand, three hundred fifty-one".