1222337984 has 56 divisors (see below), whose sum is σ = 2780800128. Its totient is φ = 522213120.

The previous prime is 1222337983. The next prime is 1222338011. The reversal of 1222337984 is 4897332221.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×1222337984² = 2988220294258368512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222337983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144167 + ... + 152409.

Almost surely, 2^1222337984 is an apocalyptic number.

1222337984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222337984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390400064).

1222337984 is an abundant number, since it is smaller than the sum of its proper divisors (1558462144).

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

1222337984 is an equidigital number, since it uses as much as digits as its factorization.

1222337984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593 (or 8583 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 1222337984 is about 34961.9505176699. The cubic root of 1222337984 is about 1069.2118643763.

The spelling of 1222337984 in words is "one billion, two hundred twenty-two million, three hundred thirty-seven thousand, nine hundred eighty-four".