222058993 has 8 divisors (see below), whose sum is σ = 244973736. Its totient is φ = 199977600.

The previous prime is 222058957. The next prime is 222058999. The reversal of 222058993 is 399850222.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 221920609 = 372^2 + 14897^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222058993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222058999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207778 + ... + 208843.

It is an arithmetic number, because the mean of its divisors is an integer number (30621717).

Almost surely, 2^222058993 is an apocalyptic number.

It is an amenable number.

222058993 is a deficient number, since it is larger than the sum of its proper divisors (22914743).

222058993 is a wasteful number, since it uses less digits than its factorization.

222058993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416675.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 222058993 is about 14901.6439697102. The cubic root of 222058993 is about 605.5585243608.

The spelling of 222058993 in words is "two hundred twenty-two million, fifty-eight thousand, nine hundred ninety-three".