21461226622 has 16 divisors (see below), whose sum is σ = 35354070000. Its totient is φ = 9689631040.

The previous prime is 21461226539. The next prime is 21461226629. The reversal of 21461226622 is 22662216412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21461226629) 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, 3270247 + ... + 3276802.

It is an arithmetic number, because the mean of its divisors is an integer number (2209629375).

Almost surely, 2^21461226622 is an apocalyptic number.

21461226622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21461226622 is a deficient number, since it is larger than the sum of its proper divisors (13892843378).

21461226622 is a wasteful number, since it uses less digits than its factorization.

21461226622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547211.

The product of its digits is 27648, while the sum is 34.

The spelling of 21461226622 in words is "twenty-one billion, four hundred sixty-one million, two hundred twenty-six thousand, six hundred twenty-two".