1222337940 has 48 divisors (see below), whose sum is σ = 3487131648. Its totient is φ = 319805824.

The previous prime is 1222337939. The next prime is 1222337951. The reversal of 1222337940 is 497332221.

It is a super-2 number, since 2×1222337940² = 2988220079126887200, which contains 22 as substring.

It is a congruent number.

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, 189012 + ... + 195371.

It is an arithmetic number, because the mean of its divisors is an integer number (72648576).

Almost surely, 2^1222337940 is an apocalyptic number.

1222337940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222337940 is an abundant number, since it is smaller than the sum of its proper divisors (2264793708).

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

1222337940 is a wasteful number, since it uses less digits than its factorization.

1222337940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384448 (or 384446 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1222337940 is about 34961.9498884144. The cubic root of 1222337940 is about 1069.2118515469.

The spelling of 1222337940 in words is "one billion, two hundred twenty-two million, three hundred thirty-seven thousand, nine hundred forty".