222760009 has 4 divisors (see below), whose sum is σ = 234484240. Its totient is φ = 211035780.

The previous prime is 222759967. The next prime is 222760039. The reversal of 222760009 is 900067222.

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: 900067222 = 2 ⋅450033611.

It is a cyclic number.

It is not a de Polignac number, because 222760009 - 2¹⁹ = 222235721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222760039) 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, 5862087 + ... + 5862124.

It is an arithmetic number, because the mean of its divisors is an integer number (58621060).

Almost surely, 2^222760009 is an apocalyptic number.

It is an amenable number.

222760009 is a deficient number, since it is larger than the sum of its proper divisors (11724231).

222760009 is a wasteful number, since it uses less digits than its factorization.

222760009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724230.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 222760009 is about 14925.1468669491. The cubic root of 222760009 is about 606.1950823673.

The spelling of 222760009 in words is "two hundred twenty-two million, seven hundred sixty thousand, nine".