22061228664 has 64 divisors (see below), whose sum is σ = 55348790400. Its totient is φ = 7327700864.

The previous prime is 22061228633. The next prime is 22061228671. The reversal of 22061228664 is 46682216022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11567599 + ... + 11569505.

It is an arithmetic number, because the mean of its divisors is an integer number (864824850).

Almost surely, 2^22061228664 is an apocalyptic number.

22061228664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22061228664 is an abundant number, since it is smaller than the sum of its proper divisors (33287561736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22061228664 is a wasteful number, since it uses less digits than its factorization.

22061228664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372 (or 3368 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 22061228664 in words is "twenty-two billion, sixty-one million, two hundred twenty-eight thousand, six hundred sixty-four".