222000156499 has 4 divisors (see below), whose sum is σ = 242181988920. Its totient is φ = 201818324080.

The previous prime is 222000156487. The next prime is 222000156533. The reversal of 222000156499 is 994651000222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222000156499 - 2⁹ = 222000155987 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222000156799) 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, 10090916194 + ... + 10090916215.

It is an arithmetic number, because the mean of its divisors is an integer number (60545497230).

Almost surely, 2^222000156499 is an apocalyptic number.

222000156499 is a deficient number, since it is larger than the sum of its proper divisors (20181832421).

222000156499 is a wasteful number, since it uses less digits than its factorization.

222000156499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20181832420.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 222000156499 in words is "two hundred twenty-two billion, one hundred fifty-six thousand, four hundred ninety-nine".