2222666898 has 16 divisors (see below), whose sum is σ = 4473649920. Its totient is φ = 736169616.

The previous prime is 2222666891. The next prime is 2222666899. The reversal of 2222666898 is 8986662222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222666898.

It is not an unprimeable number, because it can be changed into a prime (2222666891) 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, 1178818 + ... + 1180701.

It is an arithmetic number, because the mean of its divisors is an integer number (279603120).

Almost surely, 2^2222666898 is an apocalyptic number.

2222666898 is an abundant number, since it is smaller than the sum of its proper divisors (2250983022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222666898 is a wasteful number, since it uses less digits than its factorization.

2222666898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359681.

The product of its digits is 1990656, while the sum is 51.

The square root of 2222666898 is about 47145.1683420475. The cubic root of 2222666898 is about 1305.0429169251.

The spelling of 2222666898 in words is "two billion, two hundred twenty-two million, six hundred sixty-six thousand, eight hundred ninety-eight".