1222034540 has 12 divisors (see below), whose sum is σ = 2566272576. Its totient is φ = 488813808.

The previous prime is 1222034467. The next prime is 1222034573. The reversal of 1222034540 is 454302221.

It is a happy 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, 30550844 + ... + 30550883.

It is an arithmetic number, because the mean of its divisors is an integer number (213856048).

Almost surely, 2^1222034540 is an apocalyptic number.

1222034540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222034540 is an abundant number, since it is smaller than the sum of its proper divisors (1344238036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222034540 is a wasteful number, since it uses less digits than its factorization.

1222034540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61101736 (or 61101734 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1222034540 is about 34957.6106162878. The cubic root of 1222034540 is about 1069.1233801816.

Adding to 1222034540 its reverse (454302221), we get a palindrome (1676336761).

The spelling of 1222034540 in words is "one billion, two hundred twenty-two million, thirty-four thousand, five hundred forty".