2263193890 has 8 divisors (see below), whose sum is σ = 4073749020. Its totient is φ = 905277552.

The previous prime is 2263193857. The next prime is 2263193897. The reversal of 2263193890 is 983913622.

It can be written as a sum of positive squares in 2 ways, for example, as 2180983401 + 82210489 = 46701^2 + 9067^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2263193897) 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, 113159685 + ... + 113159704.

Almost surely, 2^2263193890 is an apocalyptic number.

2263193890 is a deficient number, since it is larger than the sum of its proper divisors (1810555130).

2263193890 is a wasteful number, since it uses less digits than its factorization.

2263193890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226319396.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 2263193890 is about 47573.0374266769. The cubic root of 2263193890 is about 1312.9270234409.

The spelling of 2263193890 in words is "two billion, two hundred sixty-three million, one hundred ninety-three thousand, eight hundred ninety".