244402222 has 4 divisors (see below), whose sum is σ = 366603336. Its totient is φ = 122201110.

The previous prime is 244402219. The next prime is 244402243. The reversal of 244402222 is 222204442.

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: 222204442 = 2 ⋅111102221.

It is a super-2 number, since 2×244402222² = 119464892237074568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244402193 and 244402202.

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, 61100554 + ... + 61100557.

It is an arithmetic number, because the mean of its divisors is an integer number (91650834).

Almost surely, 2^244402222 is an apocalyptic number.

244402222 is a deficient number, since it is larger than the sum of its proper divisors (122201114).

244402222 is a wasteful number, since it uses less digits than its factorization.

244402222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122201113.

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

The square root of 244402222 is about 15633.3688627883. The cubic root of 244402222 is about 625.2231497572.

Adding to 244402222 its reverse (222204442), we get a palindrome (466606664).

It can be divided in two parts, 24440 and 2222, that added together give a palindrome (26662).

The spelling of 244402222 in words is "two hundred forty-four million, four hundred two thousand, two hundred twenty-two".