7400222222 has 16 divisors (see below), whose sum is σ = 11560918752. Its totient is φ = 3549399840.

The previous prime is 7400222209. The next prime is 7400222267. The reversal of 7400222222 is 2222220047.

7400222222 is a modest number, since divided by 222222 gives 7400 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698993 + ... + 709500.

It is an arithmetic number, because the mean of its divisors is an integer number (722557422).

Almost surely, 2^7400222222 is an apocalyptic number.

7400222222 is a deficient number, since it is larger than the sum of its proper divisors (4160696530).

7400222222 is a wasteful number, since it uses less digits than its factorization.

7400222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408603.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 7400222222 is about 86024.5442998683. The cubic root of 7400222222 is about 1948.7146666180.

Adding to 7400222222 its reverse (2222220047), we get a palindrome (9622442269).

The spelling of 7400222222 in words is "seven billion, four hundred million, two hundred twenty-two thousand, two hundred twenty-two".