222679461 has 4 divisors (see below), whose sum is σ = 296905952. Its totient is φ = 148452972.

The previous prime is 222679459. The next prime is 222679477. The reversal of 222679461 is 164976222.

222679461 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 not a de Polignac number, because 222679461 - 2¹ = 222679459 is a prime.

It is a super-2 number, since 2×222679461² = 99172284702501042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222679441) 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, 37113241 + ... + 37113246.

It is an arithmetic number, because the mean of its divisors is an integer number (74226488).

Almost surely, 2^222679461 is an apocalyptic number.

It is an amenable number.

222679461 is a deficient number, since it is larger than the sum of its proper divisors (74226491).

222679461 is an equidigital number, since it uses as much as digits as its factorization.

222679461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74226490.

The product of its digits is 72576, while the sum is 39.

The square root of 222679461 is about 14922.4482240683. The cubic root of 222679461 is about 606.1220086767.

The spelling of 222679461 in words is "two hundred twenty-two million, six hundred seventy-nine thousand, four hundred sixty-one".