22068700646 has 4 divisors (see below), whose sum is σ = 33103050972. Its totient is φ = 11034350322.

The previous prime is 22068700571. The next prime is 22068700651. The reversal of 22068700646 is 64600786022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64600786022 = 2 ⋅32300393011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5517175160 + ... + 5517175163.

It is an arithmetic number, because the mean of its divisors is an integer number (8275762743).

Almost surely, 2^22068700646 is an apocalyptic number.

22068700646 is a deficient number, since it is larger than the sum of its proper divisors (11034350326).

22068700646 is a wasteful number, since it uses less digits than its factorization.

22068700646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11034350325.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 22068700646 in words is "twenty-two billion, sixty-eight million, seven hundred thousand, six hundred forty-six".