722224042 has 8 divisors (see below), whose sum is σ = 1087986276. Its totient is φ = 359561952.

The previous prime is 722224031. The next prime is 722224103. The reversal of 722224042 is 240422227.

It can be written as a sum of positive squares in 2 ways, for example, as 691742601 + 30481441 = 26301^2 + 5521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 722223998 and 722224016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774453 + ... + 775384.

Almost surely, 2^722224042 is an apocalyptic number.

722224042 is a deficient number, since it is larger than the sum of its proper divisors (365762234).

722224042 is a wasteful number, since it uses less digits than its factorization.

722224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550072.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 722224042 is about 26874.2263516552. The cubic root of 722224042 is about 897.2028555717.

Adding to 722224042 its reverse (240422227), we get a palindrome (962646269).

The spelling of 722224042 in words is "seven hundred twenty-two million, two hundred twenty-four thousand, forty-two".