222553801 has 4 divisors (see below), whose sum is σ = 230228100. Its totient is φ = 214879504.

The previous prime is 222553787. The next prime is 222553811. The reversal of 222553801 is 108355222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108355222 = 2 ⋅54177611.

It can be written as a sum of positive squares in 2 ways, for example, as 189778176 + 32775625 = 13776^2 + 5725^2 .

It is a cyclic number.

It is not a de Polignac number, because 222553801 - 2⁵ = 222553769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222553801.

It is not an unprimeable number, because it can be changed into a prime (222553811) 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, 3837106 + ... + 3837163.

It is an arithmetic number, because the mean of its divisors is an integer number (57557025).

Almost surely, 2^222553801 is an apocalyptic number.

It is an amenable number.

222553801 is a deficient number, since it is larger than the sum of its proper divisors (7674299).

222553801 is an equidigital number, since it uses as much as digits as its factorization.

222553801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674298.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 222553801 is about 14918.2371947895. The cubic root of 222553801 is about 606.0079738773.

The spelling of 222553801 in words is "two hundred twenty-two million, five hundred fifty-three thousand, eight hundred one".