21822091622 has 16 divisors (see below), whose sum is σ = 35644071600. Its totient is φ = 9980339040.

The previous prime is 21822091607. The next prime is 21822091631. The reversal of 21822091622 is 22619022812.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9900029 + ... + 9902232.

It is an arithmetic number, because the mean of its divisors is an integer number (2227754475).

Almost surely, 2^21822091622 is an apocalyptic number.

21822091622 is a deficient number, since it is larger than the sum of its proper divisors (13821979978).

21822091622 is a wasteful number, since it uses less digits than its factorization.

21822091622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19802311.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 21822091622 in words is "twenty-one billion, eight hundred twenty-two million, ninety-one thousand, six hundred twenty-two".