4247622442 has 64 divisors (see below), whose sum is σ = 7524679680. Its totient is φ = 1761068736.

The previous prime is 4247622439. The next prime is 4247622443. The reversal of 4247622442 is 2442267424.

It is not an unprimeable number, because it can be changed into a prime (4247622443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15790284 + ... + 15790552.

It is an arithmetic number, because the mean of its divisors is an integer number (117573120).

Almost surely, 2^4247622442 is an apocalyptic number.

4247622442 is a deficient number, since it is larger than the sum of its proper divisors (3277057238).

4247622442 is a wasteful number, since it uses less digits than its factorization.

4247622442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595.

The product of its digits is 172032, while the sum is 37.

The square root of 4247622442 is about 65173.7864635775. The cubic root of 4247622442 is about 1619.5037907681.

Adding to 4247622442 its reverse (2442267424), we get a palindrome (6689889866).

The spelling of 4247622442 in words is "four billion, two hundred forty-seven million, six hundred twenty-two thousand, four hundred forty-two".