22766776394 has 8 divisors (see below), whose sum is σ = 34728981120. Its totient is φ = 11190449356.

The previous prime is 22766776381. The next prime is 22766776441. The reversal of 22766776394 is 49367766722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22766776394² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96469274 + ... + 96469509.

It is an arithmetic number, because the mean of its divisors is an integer number (4341122640).

Almost surely, 2^22766776394 is an apocalyptic number.

22766776394 is a deficient number, since it is larger than the sum of its proper divisors (11962204726).

22766776394 is a wasteful number, since it uses less digits than its factorization.

22766776394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192938844.

The product of its digits is 32006016, while the sum is 59.

The spelling of 22766776394 in words is "twenty-two billion, seven hundred sixty-six million, seven hundred seventy-six thousand, three hundred ninety-four".