7722003894 has 48 divisors (see below), whose sum is σ = 16986834480. Its totient is φ = 2338459200.

The previous prime is 7722003893. The next prime is 7722003901. The reversal of 7722003894 is 4983002277.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722003893) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1610052 + ... + 1614840.

It is an arithmetic number, because the mean of its divisors is an integer number (353892385).

Almost surely, 2^7722003894 is an apocalyptic number.

7722003894 is an abundant number, since it is smaller than the sum of its proper divisors (9264830586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7722003894 is a wasteful number, since it uses less digits than its factorization.

7722003894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037 (or 7026 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 7722003894 is about 87874.9332517527. The cubic root of 7722003894 is about 1976.5600146005.

The spelling of 7722003894 in words is "seven billion, seven hundred twenty-two million, three thousand, eight hundred ninety-four".