2223649863 has 12 divisors (see below), whose sum is σ = 3214208088. Its totient is φ = 1481385840.

The previous prime is 2223649843. The next prime is 2223649943. The reversal of 2223649863 is 3689463222.

It is a happy number.

2223649863 is a `hidden beast` number, since 222 + 364 + 9 + 8 + 63 = 666.

It is not a de Polignac number, because 2223649863 - 2¹⁶ = 2223584327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223649823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73728 + ... + 99413.

It is an arithmetic number, because the mean of its divisors is an integer number (267850674).

Almost surely, 2^2223649863 is an apocalyptic number.

2223649863 is a deficient number, since it is larger than the sum of its proper divisors (990558225).

2223649863 is a wasteful number, since it uses less digits than its factorization.

2223649863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174574 (or 174571 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 2223649863 is about 47155.5920649927. The cubic root of 2223649863 is about 1305.2352718018.

The spelling of 2223649863 in words is "two billion, two hundred twenty-three million, six hundred forty-nine thousand, eight hundred sixty-three".