1222463228 has 24 divisors (see below), whose sum is σ = 2446080000. Its totient is φ = 523665648.

The previous prime is 1222463227. The next prime is 1222463299. The reversal of 1222463228 is 8223642221.

It is a junction number, because it is equal to n+sod(n) for n = 1222463194 and 1222463203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222463227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58073 + ... + 76271.

It is an arithmetic number, because the mean of its divisors is an integer number (101920000).

Almost surely, 2^1222463228 is an apocalyptic number.

It is an amenable number.

1222463228 is an abundant number, since it is smaller than the sum of its proper divisors (1223616772).

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

1222463228 is a wasteful number, since it uses less digits than its factorization.

1222463228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20609 (or 20607 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 1222463228 is about 34963.7416189972. The cubic root of 1222463228 is about 1069.2483812260.

The spelling of 1222463228 in words is "one billion, two hundred twenty-two million, four hundred sixty-three thousand, two hundred twenty-eight".