1222454434 has 32 divisors (see below), whose sum is σ = 1934876160. Its totient is φ = 578448000.

The previous prime is 1222454417. The next prime is 1222454449. The reversal of 1222454434 is 4344542221.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1222454396 and 1222454405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974577 + ... + 1975195.

It is an arithmetic number, because the mean of its divisors is an integer number (60464880).

Almost surely, 2^1222454434 is an apocalyptic number.

1222454434 is a deficient number, since it is larger than the sum of its proper divisors (712421726).

1222454434 is a wasteful number, since it uses less digits than its factorization.

1222454434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its digits is 30720, while the sum is 31.

The square root of 1222454434 is about 34963.6158599193. The cubic root of 1222454434 is about 1069.2458172790.

Adding to 1222454434 its reverse (4344542221), we get a palindrome (5566996655).

The spelling of 1222454434 in words is "one billion, two hundred twenty-two million, four hundred fifty-four thousand, four hundred thirty-four".