222455557 has 8 divisors (see below), whose sum is σ = 235840896. Its totient is φ = 209103552.

The previous prime is 222455543. The next prime is 222455573. The reversal of 222455557 is 755554222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222455557 - 2²³ = 214066949 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222455537) 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, 6148 + ... + 21970.

It is an arithmetic number, because the mean of its divisors is an integer number (29480112).

Almost surely, 2^222455557 is an apocalyptic number.

It is an amenable number.

222455557 is a deficient number, since it is larger than the sum of its proper divisors (13385339).

222455557 is a wasteful number, since it uses less digits than its factorization.

222455557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16667.

The product of its digits is 140000, while the sum is 37.

The square root of 222455557 is about 14914.9440830330. The cubic root of 222455557 is about 605.9187888355.

The spelling of 222455557 in words is "two hundred twenty-two million, four hundred fifty-five thousand, five hundred fifty-seven".