222308427 has 16 divisors (see below), whose sum is σ = 323746560. Its totient is φ = 134570400.

The previous prime is 222308423. The next prime is 222308459. The reversal of 222308427 is 724803222.

It is not a de Polignac number, because 222308427 - 2² = 222308423 is a prime.

It is a super-3 number, since 3×222308427³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222308394 and 222308403.

It is not an unprimeable number, because it can be changed into a prime (222308423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27474 + ... + 34632.

It is an arithmetic number, because the mean of its divisors is an integer number (20234160).

Almost surely, 2^222308427 is an apocalyptic number.

222308427 is a deficient number, since it is larger than the sum of its proper divisors (101438133).

222308427 is a wasteful number, since it uses less digits than its factorization.

222308427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 222308427 is about 14910.0109657907. The cubic root of 222308427 is about 605.7851763904.

The spelling of 222308427 in words is "two hundred twenty-two million, three hundred eight thousand, four hundred twenty-seven".