22101677678 has 4 divisors (see below), whose sum is σ = 33152516520. Its totient is φ = 11050838838.

The previous prime is 22101677677. The next prime is 22101677687. The reversal of 22101677678 is 87677610122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101677677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525419418 + ... + 5525419421.

It is an arithmetic number, because the mean of its divisors is an integer number (8288129130).

Almost surely, 2^22101677678 is an apocalyptic number.

22101677678 is a deficient number, since it is larger than the sum of its proper divisors (11050838842).

22101677678 is a wasteful number, since it uses less digits than its factorization.

22101677678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050838841.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 22101677678 in words is "twenty-two billion, one hundred one million, six hundred seventy-seven thousand, six hundred seventy-eight".