222223051 has 4 divisors (see below), whose sum is σ = 223177032. Its totient is φ = 221269072.

The previous prime is 222223049. The next prime is 222223063. The reversal of 222223051 is 150322222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150322222 = 2 ⋅75161111.

It is a cyclic number.

It is not a de Polignac number, because 222223051 - 2¹ = 222223049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222223021) 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, 476641 + ... + 477106.

It is an arithmetic number, because the mean of its divisors is an integer number (55794258).

Almost surely, 2^222223051 is an apocalyptic number.

222223051 is a deficient number, since it is larger than the sum of its proper divisors (953981).

222223051 is an equidigital number, since it uses as much as digits as its factorization.

222223051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953980.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 222223051 is about 14907.1476480244. The cubic root of 222223051 is about 605.7076172710.

Adding to 222223051 its reverse (150322222), we get a palindrome (372545273).

The spelling of 222223051 in words is "two hundred twenty-two million, two hundred twenty-three thousand, fifty-one".