1116215622 has 48 divisors (see below), whose sum is σ = 2529053280. Its totient is φ = 355128576.

The previous prime is 1116215603. The next prime is 1116215641. The reversal of 1116215622 is 2265126111.

1116215622 is a `hidden beast` number, since 1 + 1 + 16 + 21 + 5 + 622 = 666.

It is an interprime number because it is at equal distance from previous prime (1116215603) and next prime (1116215641).

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, 208078 + ... + 213374.

It is an arithmetic number, because the mean of its divisors is an integer number (52688610).

Almost surely, 2^1116215622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116215622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264526640).

1116215622 is an abundant number, since it is smaller than the sum of its proper divisors (1412837658).

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

1116215622 is a wasteful number, since it uses less digits than its factorization.

1116215622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837 (or 5834 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 1116215622 is about 33409.8132589813. The cubic root of 1116215622 is about 1037.3278361831.

The spelling of 1116215622 in words is "one billion, one hundred sixteen million, two hundred fifteen thousand, six hundred twenty-two".