1223240226 has 16 divisors (see below), whose sum is σ = 2634671424. Its totient is φ = 376381584.

The previous prime is 1223240203. The next prime is 1223240233. The reversal of 1223240226 is 6220423221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1223240196 and 1223240205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7841206 + ... + 7841361.

It is an arithmetic number, because the mean of its divisors is an integer number (164666964).

Almost surely, 2^1223240226 is an apocalyptic number.

1223240226 is an abundant number, since it is smaller than the sum of its proper divisors (1411431198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223240226 is a wasteful number, since it uses less digits than its factorization.

1223240226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15682585.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1223240226 is about 34974.8513363531. The cubic root of 1223240226 is about 1069.4748714459.

Adding to 1223240226 its reverse (6220423221), we get a palindrome (7443663447).

The spelling of 1223240226 in words is "one billion, two hundred twenty-three million, two hundred forty thousand, two hundred twenty-six".