79222 has 16 divisors (see below), whose sum is σ = 140112. Its totient is φ = 33120.
The previous prime is 79201. The next prime is 79229. The reversal of 79222 is 22297.
79222 is nontrivially palindromic in base 3.
It is a super-2 number, since 2×792222 = 12552250568, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 79193 and 79202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79229) by changing a digit.
79222 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 7 ways as a sum of consecutive naturals, for example, 148 + ... + 424.
It is an arithmetic number, because the mean of its divisors is an integer number (8757).
279222 is an apocalyptic number.
79222 is a deficient number, since it is larger than the sum of its proper divisors (60890).
79222 is a wasteful number, since it uses less digits than its factorization.
79222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303.
The product of its digits is 504, while the sum is 22.
The square root of 79222 is about 281.4640296734. The cubic root of 79222 is about 42.9485593626.
It can be divided in two parts, 792 and 22, that multiplied together give a square (17424 = 1322).
The spelling of 79222 in words is "seventy-nine thousand, two hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •