1222211504 has 20 divisors (see below), whose sum is σ = 2391483840. Its totient is φ = 605054400.

The previous prime is 1222211411. The next prime is 1222211527. The reversal of 1222211504 is 4051122221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376544 + ... + 379775.

It is an arithmetic number, because the mean of its divisors is an integer number (119574192).

Almost surely, 2^1222211504 is an apocalyptic number.

It is an amenable number.

1222211504 is a deficient number, since it is larger than the sum of its proper divisors (1169272336).

1222211504 is a wasteful number, since it uses less digits than its factorization.

1222211504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756428 (or 756422 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1222211504 is about 34960.1416473103. The cubic root of 1222211504 is about 1069.1749846199.

Adding to 1222211504 its reverse (4051122221), we get a palindrome (5273333725).

The spelling of 1222211504 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, five hundred four".