7247218442 has 16 divisors (see below), whose sum is σ = 11375095680. Its totient is φ = 3456398352.

The previous prime is 7247218427. The next prime is 7247218457. The reversal of 7247218442 is 2448127427.

It is an interprime number because it is at equal distance from previous prime (7247218427) and next prime (7247218457).

It is a self number, because there is not a number n which added to its sum of digits gives 7247218442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202913 + ... + 235940.

It is an arithmetic number, because the mean of its divisors is an integer number (710943480).

Almost surely, 2^7247218442 is an apocalyptic number.

7247218442 is a deficient number, since it is larger than the sum of its proper divisors (4127877238).

7247218442 is a wasteful number, since it uses less digits than its factorization.

7247218442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439237.

The product of its digits is 200704, while the sum is 41.

The square root of 7247218442 is about 85130.5963916617. The cubic root of 7247218442 is about 1935.1907698505.

The spelling of 7247218442 in words is "seven billion, two hundred forty-seven million, two hundred eighteen thousand, four hundred forty-two".