21772630002 has 8 divisors (see below), whose sum is σ = 43545260016. Its totient is φ = 7257543332.

The previous prime is 21772629973. The next prime is 21772630039. The reversal of 21772630002 is 20003627712.

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

21772630002 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814385828 + ... + 1814385839.

It is an arithmetic number, because the mean of its divisors is an integer number (5443157502).

Almost surely, 2^21772630002 is an apocalyptic number.

21772630002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21772630002 is a wasteful number, since it uses less digits than its factorization.

21772630002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628771672.

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 21772630002 in words is "twenty-one billion, seven hundred seventy-two million, six hundred thirty thousand, two".