216222667757 has 8 divisors (see below), whose sum is σ = 218213185536. Its totient is φ = 214236649872.

The previous prime is 216222667709. The next prime is 216222667807. The reversal of 216222667757 is 757766222612.

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

It is a cyclic number.

It is not a de Polignac number, because 216222667757 - 2⁶ = 216222667693 is a prime.

It is a super-2 number, since 2×216222667757² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216222667699 and 216222667708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216222667057) 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, 1028393 + ... + 1220670.

It is an arithmetic number, because the mean of its divisors is an integer number (27276648192).

Almost surely, 2^216222667757 is an apocalyptic number.

It is an amenable number.

216222667757 is a deficient number, since it is larger than the sum of its proper divisors (1990517779).

216222667757 is a wasteful number, since it uses less digits than its factorization.

216222667757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249947.

The product of its digits is 5927040, while the sum is 53.

The spelling of 216222667757 in words is "two hundred sixteen billion, two hundred twenty-two million, six hundred sixty-seven thousand, seven hundred fifty-seven".