1222311404 has 12 divisors (see below), whose sum is σ = 2163079800. Its totient is φ = 604288608.

The previous prime is 1222311371. The next prime is 1222311443. The reversal of 1222311404 is 4041132221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1716374 + ... + 1717085.

It is an arithmetic number, because the mean of its divisors is an integer number (180256650).

Almost surely, 2^1222311404 is an apocalyptic number.

It is an amenable number.

1222311404 is a deficient number, since it is larger than the sum of its proper divisors (940768396).

1222311404 is a wasteful number, since it uses less digits than its factorization.

1222311404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433552 (or 3433550 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1222311404 is about 34961.5703880704. The cubic root of 1222311404 is about 1069.2041142401.

Adding to 1222311404 its reverse (4041132221), we get a palindrome (5263443625).

The spelling of 1222311404 in words is "one billion, two hundred twenty-two million, three hundred eleven thousand, four hundred four".