221422000233 has 8 divisors (see below), whose sum is σ = 337404952768. Its totient is φ = 126526857264.

The previous prime is 221422000229. The next prime is 221422000237. The reversal of 221422000233 is 332000224122.

It is an interprime number because it is at equal distance from previous prime (221422000229) and next prime (221422000237).

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

It is not a de Polignac number, because 221422000233 - 2² = 221422000229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10543904773 = 221422000233 / (2 + 2 + 1 + 4 + 2 + 2 + 0 + 0 + 0 + 2 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221422000237) 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, 5271952366 + ... + 5271952407.

It is an arithmetic number, because the mean of its divisors is an integer number (42175619096).

Almost surely, 2^221422000233 is an apocalyptic number.

It is an amenable number.

221422000233 is a deficient number, since it is larger than the sum of its proper divisors (115982952535).

221422000233 is a wasteful number, since it uses less digits than its factorization.

221422000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10543904783.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 221422000233 its reverse (332000224122), we get a palindrome (553422224355).

The spelling of 221422000233 in words is "two hundred twenty-one billion, four hundred twenty-two million, two hundred thirty-three", and thus it is an aban number.