244420222 has 4 divisors (see below), whose sum is σ = 366630336. Its totient is φ = 122210110.

The previous prime is 244420181. The next prime is 244420247. The reversal of 244420222 is 222024442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222024442 = 2 ⋅111012221.

It is a junction number, because it is equal to n+sod(n) for n = 244420193 and 244420202.

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, 61105054 + ... + 61105057.

It is an arithmetic number, because the mean of its divisors is an integer number (91657584).

Almost surely, 2^244420222 is an apocalyptic number.

244420222 is a deficient number, since it is larger than the sum of its proper divisors (122210114).

244420222 is a wasteful number, since it uses less digits than its factorization.

244420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122210113.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 244420222 is about 15633.9445438443. The cubic root of 244420222 is about 625.2384984180.

Adding to 244420222 its reverse (222024442), we get a palindrome (466444664).

The spelling of 244420222 in words is "two hundred forty-four million, four hundred twenty thousand, two hundred twenty-two".