222472871 has 2 divisors, whose sum is σ = 222472872. Its totient is φ = 222472870.

The previous prime is 222472867. The next prime is 222472879. The reversal of 222472871 is 178274222.

222472871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222472871 - 2² = 222472867 is a prime.

It is a super-3 number, since 3×222472871³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222472879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111236435 + 111236436.

It is an arithmetic number, because the mean of its divisors is an integer number (111236436).

Almost surely, 2^222472871 is an apocalyptic number.

222472871 is a deficient number, since it is larger than the sum of its proper divisors (1).

222472871 is an equidigital number, since it uses as much as digits as its factorization.

222472871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 35.

The square root of 222472871 is about 14915.5244963092. The cubic root of 222472871 is about 605.9345082386.

The spelling of 222472871 in words is "two hundred twenty-two million, four hundred seventy-two thousand, eight hundred seventy-one".