1222695936 has 264 divisors, whose sum is σ = 4404226944. Its totient is φ = 317399040.

The previous prime is 1222695871. The next prime is 1222695949. The reversal of 1222695936 is 6395962221.

It is a tau number, because it is divible by the number of its divisors (264).

It is a junction number, because it is equal to n+sod(n) for n = 1222695891 and 1222695900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 708771 + ... + 710493.

Almost surely, 2^1222695936 is an apocalyptic number.

1222695936 is a gapful number since it is divisible by the number (16) 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 1222695936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2202113472).

1222695936 is an abundant number, since it is smaller than the sum of its proper divisors (3181531008).

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

1222695936 is a wasteful number, since it uses less digits than its factorization.

1222695936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1746 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 1222695936 is about 34967.0693081362. The cubic root of 1222695936 is about 1069.3162242660.

The spelling of 1222695936 in words is "one billion, two hundred twenty-two million, six hundred ninety-five thousand, nine hundred thirty-six".