222227919 has 6 divisors (see below), whose sum is σ = 320995896. Its totient is φ = 148151940.

The previous prime is 222227917. The next prime is 222227921. The reversal of 222227919 is 919722222.

It is an interprime number because it is at equal distance from previous prime (222227917) and next prime (222227921).

It is not a de Polignac number, because 222227919 - 2¹ = 222227917 is a prime.

It is a super-2 number, since 2×222227919² = 98770495966141122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222227911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12345987 + ... + 12346004.

It is an arithmetic number, because the mean of its divisors is an integer number (53499316).

Almost surely, 2^222227919 is an apocalyptic number.

222227919 is a deficient number, since it is larger than the sum of its proper divisors (98767977).

222227919 is a wasteful number, since it uses less digits than its factorization.

222227919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24691997 (or 24691994 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 222227919 is about 14907.3109245095. The cubic root of 222227919 is about 605.7120400993.

The spelling of 222227919 in words is "two hundred twenty-two million, two hundred twenty-seven thousand, nine hundred nineteen".