7422220747 has 2 divisors, whose sum is σ = 7422220748. Its totient is φ = 7422220746.

The previous prime is 7422220739. The next prime is 7422220783. The reversal of 7422220747 is 7470222247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7422220747 - 2³ = 7422220739 is a prime.

It is not a weakly prime, because it can be changed into another prime (7422220847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711110373 + 3711110374.

It is an arithmetic number, because the mean of its divisors is an integer number (3711110374).

Almost surely, 2^7422220747 is an apocalyptic number.

7422220747 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422220747 is an equidigital number, since it uses as much as digits as its factorization.

7422220747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 7422220747 is about 86152.3113270909. The cubic root of 7422220747 is about 1950.6437275985.

The spelling of 7422220747 in words is "seven billion, four hundred twenty-two million, two hundred twenty thousand, seven hundred forty-seven".