1155020622 has 16 divisors (see below), whose sum is σ = 2640047232. Its totient is φ = 330005880.

The previous prime is 1155020611. The next prime is 1155020627. The reversal of 1155020622 is 2260205511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1155020592 and 1155020601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155020627) 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, 13750204 + ... + 13750287.

It is an arithmetic number, because the mean of its divisors is an integer number (165002952).

Almost surely, 2^1155020622 is an apocalyptic number.

1155020622 is an abundant number, since it is smaller than the sum of its proper divisors (1485026610).

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

1155020622 is a wasteful number, since it uses less digits than its factorization.

1155020622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27500503.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1155020622 is about 33985.5943305395. The cubic root of 1155020622 is about 1049.2119928890.

The spelling of 1155020622 in words is "one billion, one hundred fifty-five million, twenty thousand, six hundred twenty-two".