222454601 has 4 divisors (see below), whose sum is σ = 222505092. Its totient is φ = 222404112.

The previous prime is 222454553. The next prime is 222454607. The reversal of 222454601 is 106454222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27573001 + 194881600 = 5251^2 + 13960^2 .

It is a cyclic number.

It is not a de Polignac number, because 222454601 - 2²⁶ = 155345737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222454607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17930 + ... + 27683.

It is an arithmetic number, because the mean of its divisors is an integer number (55626273).

Almost surely, 2^222454601 is an apocalyptic number.

It is an amenable number.

222454601 is a deficient number, since it is larger than the sum of its proper divisors (50491).

222454601 is an equidigital number, since it uses as much as digits as its factorization.

222454601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50490.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 222454601 is about 14914.9120346048. The cubic root of 222454601 is about 605.9179208581.

The spelling of 222454601 in words is "two hundred twenty-two million, four hundred fifty-four thousand, six hundred one".