1222633464 has 32 divisors (see below), whose sum is σ = 3291706320. Its totient is φ = 376194816.

The previous prime is 1222633463. The next prime is 1222633469. The reversal of 1222633464 is 4643362221.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222633463) 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, 1959037 + ... + 1959660.

Almost surely, 2^1222633464 is an apocalyptic number.

It is an amenable number.

1222633464 is an abundant number, since it is smaller than the sum of its proper divisors (2069072856).

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

1222633464 is a wasteful number, since it uses less digits than its factorization.

1222633464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918719 (or 3918715 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 1222633464 is about 34966.1759990995. The cubic root of 1222633464 is about 1069.2980121990.

Adding to 1222633464 its reverse (4643362221), we get a palindrome (5865995685).

The spelling of 1222633464 in words is "one billion, two hundred twenty-two million, six hundred thirty-three thousand, four hundred sixty-four".