21050056622 has 8 divisors (see below), whose sum is σ = 36085811376. Its totient is φ = 9021452832.

The previous prime is 21050056597. The next prime is 21050056633. The reversal of 21050056622 is 22665005012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751787723 + ... + 751787750.

It is an arithmetic number, because the mean of its divisors is an integer number (4510726422).

Almost surely, 2^21050056622 is an apocalyptic number.

21050056622 is a deficient number, since it is larger than the sum of its proper divisors (15035754754).

21050056622 is a wasteful number, since it uses less digits than its factorization.

21050056622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503575482.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 21050056622 in words is "twenty-one billion, fifty million, fifty-six thousand, six hundred twenty-two".