1222421104 has 20 divisors (see below), whose sum is σ = 2384130640. Its totient is φ = 607161600.

The previous prime is 1222421087. The next prime is 1222421113. The reversal of 1222421104 is 4011242221.

It is a congruent number.

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, 250569 + ... + 255400.

It is an arithmetic number, because the mean of its divisors is an integer number (119206532).

Almost surely, 2^1222421104 is an apocalyptic number.

It is an amenable number.

1222421104 is a deficient number, since it is larger than the sum of its proper divisors (1161709536).

1222421104 is a wasteful number, since it uses less digits than its factorization.

1222421104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506128 (or 506122 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1222421104 is about 34963.1392183253. The cubic root of 1222421104 is about 1069.2360995924.

Adding to 1222421104 its reverse (4011242221), we get a palindrome (5233663325).

The spelling of 1222421104 in words is "one billion, two hundred twenty-two million, four hundred twenty-one thousand, one hundred four".