22261105646 has 16 divisors (see below), whose sum is σ = 35978284944. Its totient is φ = 10269202944.

The previous prime is 22261105639. The next prime is 22261105649. The reversal of 22261105646 is 64650116222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22261105649) 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, 161651 + ... + 265806.

It is an arithmetic number, because the mean of its divisors is an integer number (2248642809).

Almost surely, 2^22261105646 is an apocalyptic number.

22261105646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22261105646 is a deficient number, since it is larger than the sum of its proper divisors (13717179298).

22261105646 is a wasteful number, since it uses less digits than its factorization.

22261105646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429475.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 22261105646 in words is "twenty-two billion, two hundred sixty-one million, one hundred five thousand, six hundred forty-six".