21722133034 has 16 divisors (see below), whose sum is σ = 37240767936. Its totient is φ = 9308779200.

The previous prime is 21722133031. The next prime is 21722133071. The reversal of 21722133034 is 43033122712.

It is a junction number, because it is equal to n+sod(n) for n = 21722132993 and 21722133011.

It is not an unprimeable number, because it can be changed into a prime (21722133031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160389 + ... + 262999.

It is an arithmetic number, because the mean of its divisors is an integer number (2327547996).

Almost surely, 2^21722133034 is an apocalyptic number.

21722133034 is a deficient number, since it is larger than the sum of its proper divisors (15518634902).

21722133034 is a wasteful number, since it uses less digits than its factorization.

21722133034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117741.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 21722133034 its reverse (43033122712), we get a palindrome (64755255746).

The spelling of 21722133034 in words is "twenty-one billion, seven hundred twenty-two million, one hundred thirty-three thousand, thirty-four".