222202549 has 4 divisors (see below), whose sum is σ = 233897440. Its totient is φ = 210507660.

The previous prime is 222202531. The next prime is 222202559. The reversal of 222202549 is 945202222.

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.

It is a cyclic number.

It is not a de Polignac number, because 222202549 - 2¹¹ = 222200501 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 (222202559) 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, 5847417 + ... + 5847454.

It is an arithmetic number, because the mean of its divisors is an integer number (58474360).

Almost surely, 2^222202549 is an apocalyptic number.

It is an amenable number.

222202549 is a deficient number, since it is larger than the sum of its proper divisors (11694891).

222202549 is a wasteful number, since it uses less digits than its factorization.

222202549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11694890.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 222202549 is about 14906.4599754603. The cubic root of 222202549 is about 605.6889894413.

The spelling of 222202549 in words is "two hundred twenty-two million, two hundred two thousand, five hundred forty-nine".