222974 has 4 divisors (see below), whose sum is σ = 334464. Its totient is φ = 111486.
The previous prime is 222967. The next prime is 222977. The reversal of 222974 is 479222.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 479222 = 2 ⋅239611.
It is a d-powerful number, because it can be written as 25 + 215 + 95 + 217 + 72 + 4 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222977) by changing a digit.
222974 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55742 + ... + 55745.
It is an arithmetic number, because the mean of its divisors is an integer number (83616).
2222974 is an apocalyptic number.
222974 is a deficient number, since it is larger than the sum of its proper divisors (111490).
222974 is a wasteful number, since it uses less digits than its factorization.
222974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111489.
The product of its digits is 2016, while the sum is 26.
The square root of 222974 is about 472.2012282915. The cubic root of 222974 is about 60.6389130926.
The spelling of 222974 in words is "two hundred twenty-two thousand, nine hundred seventy-four".
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