1087922220 has 192 divisors, whose sum is σ = 3821755392. Its totient is φ = 224640000.

The previous prime is 1087922219. The next prime is 1087922261. The reversal of 1087922220 is 222297801.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 835570 + ... + 836870.

It is an arithmetic number, because the mean of its divisors is an integer number (19904976).

Almost surely, 2^1087922220 is an apocalyptic number.

1087922220 is a gapful number since it is divisible by the number (10) 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 1087922220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910877696).

1087922220 is an abundant number, since it is smaller than the sum of its proper divisors (2733833172).

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

1087922220 is a wasteful number, since it uses less digits than its factorization.

1087922220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1087922220 is about 32983.6659575615. The cubic root of 1087922220 is about 1028.4881265760.

The spelling of 1087922220 in words is "one billion, eighty-seven million, nine hundred twenty-two thousand, two hundred twenty".