222520322 has 4 divisors (see below), whose sum is σ = 333780486. Its totient is φ = 111260160.

The previous prime is 222520321. The next prime is 222520349. The reversal of 222520322 is 223025222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 133425601 + 89094721 = 11551^2 + 9439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222520294 and 222520303.

It is not an unprimeable number, because it can be changed into a prime (222520321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55630079 + ... + 55630082.

Almost surely, 2^222520322 is an apocalyptic number.

222520322 is a deficient number, since it is larger than the sum of its proper divisors (111260164).

222520322 is a wasteful number, since it uses less digits than its factorization.

222520322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111260163.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 222520322 is about 14917.1150696105. The cubic root of 222520322 is about 605.9775848833.

Adding to 222520322 its reverse (223025222), we get a palindrome (445545544).

The spelling of 222520322 in words is "two hundred twenty-two million, five hundred twenty thousand, three hundred twenty-two".