222470 has 8 divisors (see below), whose sum is σ = 400464. Its totient is φ = 88984.

The previous prime is 222461. The next prime is 222493. The reversal of 222470 is 74222.

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

It is a congruent number.

It is an unprimeable number.

222470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11114 + ... + 11133.

It is an arithmetic number, because the mean of its divisors is an integer number (50058).

2²²²⁴⁷⁰ is an apocalyptic number.

222470 is a deficient number, since it is larger than the sum of its proper divisors (177994).

222470 is a wasteful number, since it uses less digits than its factorization.

222470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22254.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 222470 is about 471.6672555944. The cubic root of 222470 is about 60.5931901710.

Adding to 222470 its reverse (74222), we get a palindrome (296692).

The spelling of 222470 in words is "two hundred twenty-two thousand, four hundred seventy", and thus it is an iban number.