7722443642 has 8 divisors (see below), whose sum is σ = 11626410432. Its totient is φ = 3846973500.

The previous prime is 7722443563. The next prime is 7722443653. The reversal of 7722443642 is 2463442277.

It is a happy number.

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

It is a super-2 number, since 2×7722443642² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7722443642.

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 3 ways as a sum of consecutive naturals, for example, 7123484 + ... + 7124567.

It is an arithmetic number, because the mean of its divisors is an integer number (1453301304).

Almost surely, 2^7722443642 is an apocalyptic number.

7722443642 is a deficient number, since it is larger than the sum of its proper divisors (3903966790).

7722443642 is a wasteful number, since it uses less digits than its factorization.

7722443642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14248324.

The product of its digits is 451584, while the sum is 41.

The square root of 7722443642 is about 87877.4353403648. The cubic root of 7722443642 is about 1976.5975338691.

The spelling of 7722443642 in words is "seven billion, seven hundred twenty-two million, four hundred forty-three thousand, six hundred forty-two".