222028049 has 4 divisors (see below), whose sum is σ = 227191536. Its totient is φ = 216864564.

The previous prime is 222028013. The next prime is 222028057. The reversal of 222028049 is 940820222.

222028049 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.

It is a cyclic number.

It is not a de Polignac number, because 222028049 - 2¹⁶ = 221962513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222028099) 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, 2581679 + ... + 2581764.

It is an arithmetic number, because the mean of its divisors is an integer number (56797884).

Almost surely, 2^222028049 is an apocalyptic number.

It is an amenable number.

222028049 is a deficient number, since it is larger than the sum of its proper divisors (5163487).

222028049 is an equidigital number, since it uses as much as digits as its factorization.

222028049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163486.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 222028049 is about 14900.6056588315. The cubic root of 222028049 is about 605.5303947886.

The spelling of 222028049 in words is "two hundred twenty-two million, twenty-eight thousand, forty-nine".