21922601426 has 8 divisors (see below), whose sum is σ = 35873347824. Its totient is φ = 9964818820.

The previous prime is 21922601401. The next prime is 21922601453. The reversal of 21922601426 is 62410622912.

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

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, 498240920 + ... + 498240963.

It is an arithmetic number, because the mean of its divisors is an integer number (4484168478).

Almost surely, 2^21922601426 is an apocalyptic number.

21922601426 is a deficient number, since it is larger than the sum of its proper divisors (13950746398).

21922601426 is a wasteful number, since it uses less digits than its factorization.

21922601426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996481896.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 21922601426 in words is "twenty-one billion, nine hundred twenty-two million, six hundred one thousand, four hundred twenty-six".