222020254 has 4 divisors (see below), whose sum is σ = 333030384. Its totient is φ = 111010126.

The previous prime is 222020243. The next prime is 222020261. The reversal of 222020254 is 452020222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505062 + ... + 55505065.

It is an arithmetic number, because the mean of its divisors is an integer number (83257596).

Almost surely, 2^222020254 is an apocalyptic number.

222020254 is a deficient number, since it is larger than the sum of its proper divisors (111010130).

222020254 is a wasteful number, since it uses less digits than its factorization.

222020254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010129.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 222020254 is about 14900.3440899866. The cubic root of 222020254 is about 605.5233083496.

Adding to 222020254 its reverse (452020222), we get a palindrome (674040476).

The spelling of 222020254 in words is "two hundred twenty-two million, twenty thousand, two hundred fifty-four".