6222888890 has 8 divisors (see below), whose sum is σ = 11201200020. Its totient is φ = 2489155552.

The previous prime is 6222888853. The next prime is 6222888899. The reversal of 6222888890 is 988882226.

It can be written as a sum of positive squares in 2 ways, for example, as 6222527689 + 361201 = 78883^2 + 601^2 .

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

It is a super-2 number, since 2×6222888890² = 77448692274570864200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6222888899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311144435 + ... + 311144454.

Almost surely, 2^6222888890 is an apocalyptic number.

6222888890 is a deficient number, since it is larger than the sum of its proper divisors (4978311130).

6222888890 is a wasteful number, since it uses less digits than its factorization.

6222888890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622288896.

The product of its (nonzero) digits is 1769472, while the sum is 53.

The square root of 6222888890 is about 78885.2894397935. The cubic root of 6222888890 is about 1839.3484706885.

The spelling of 6222888890 in words is "six billion, two hundred twenty-two million, eight hundred eighty-eight thousand, eight hundred ninety".