1222251104 has 24 divisors (see below), whose sum is σ = 2408153328. Its totient is φ = 610656640.

The previous prime is 1222251103. The next prime is 1222251109. The reversal of 1222251104 is 4011522221.

It is a super-2 number, since 2×1222251104² = 2987795522458437632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222251103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29774 + ... + 57714.

It is an arithmetic number, because the mean of its divisors is an integer number (100339722).

Almost surely, 2^1222251104 is an apocalyptic number.

It is an amenable number.

1222251104 is a deficient number, since it is larger than the sum of its proper divisors (1185902224).

1222251104 is a wasteful number, since it uses less digits than its factorization.

1222251104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29318 (or 29310 counting only the distinct ones).

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

The square root of 1222251104 is about 34960.7080019842. The cubic root of 1222251104 is about 1069.1865316862.

Adding to 1222251104 its reverse (4011522221), we get a palindrome (5233773325).

The spelling of 1222251104 in words is "one billion, two hundred twenty-two million, two hundred fifty-one thousand, one hundred four".