222042413 has 4 divisors (see below), whose sum is σ = 222713568. Its totient is φ = 221371260.

The previous prime is 222042371. The next prime is 222042427. The reversal of 222042413 is 314240222.

222042413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314240222 = 2 ⋅157120111.

It is a cyclic number.

It is not a de Polignac number, because 222042413 - 2¹⁸ = 221780269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222042433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335081 + ... + 335742.

It is an arithmetic number, because the mean of its divisors is an integer number (55678392).

Almost surely, 2^222042413 is an apocalyptic number.

It is an amenable number.

222042413 is a deficient number, since it is larger than the sum of its proper divisors (671155).

222042413 is an equidigital number, since it uses as much as digits as its factorization.

222042413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671154.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 222042413 is about 14901.0876448667. The cubic root of 222042413 is about 605.5434526748.

Adding to 222042413 its reverse (314240222), we get a palindrome (536282635).

The spelling of 222042413 in words is "two hundred twenty-two million, forty-two thousand, four hundred thirteen".