1150820022 has 64 divisors (see below), whose sum is σ = 2566764288. Its totient is φ = 341040000.

The previous prime is 1150820017. The next prime is 1150820071. The reversal of 1150820022 is 2200280511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792397 + ... + 793847.

It is an arithmetic number, because the mean of its divisors is an integer number (40105692).

Almost surely, 2^1150820022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150820022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283382144).

1150820022 is an abundant number, since it is smaller than the sum of its proper divisors (1415944266).

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

1150820022 is a wasteful number, since it uses less digits than its factorization.

1150820022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1150820022 is about 33923.7383258390. The cubic root of 1150820022 is about 1047.9385167541.

The spelling of 1150820022 in words is "one billion, one hundred fifty million, eight hundred twenty thousand, twenty-two".