47991222002 has 32 divisors (see below), whose sum is σ = 73695629952. Its totient is φ = 23433306624.

The previous prime is 47991221981. The next prime is 47991222007. The reversal of 47991222002 is 20022219974.

It is not an unprimeable number, because it can be changed into a prime (47991222007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19691528 + ... + 19693964.

It is an arithmetic number, because the mean of its divisors is an integer number (2302988436).

Almost surely, 2^47991222002 is an apocalyptic number.

47991222002 is a deficient number, since it is larger than the sum of its proper divisors (25704407950).

47991222002 is a wasteful number, since it uses less digits than its factorization.

47991222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 47991222002 in words is "forty-seven billion, nine hundred ninety-one million, two hundred twenty-two thousand, two".