1154388822 has 16 divisors (see below), whose sum is σ = 2309284272. Its totient is φ = 384711840.

The previous prime is 1154388821. The next prime is 1154388847. The reversal of 1154388822 is 2288834511.

It is a super-2 number, since 2×1154388822² = 2665227104717095368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154388821) 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, 12672 + ... + 49692.

It is an arithmetic number, because the mean of its divisors is an integer number (144330267).

Almost surely, 2^1154388822 is an apocalyptic number.

1154388822 is an abundant number, since it is smaller than the sum of its proper divisors (1154895450).

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

1154388822 is a wasteful number, since it uses less digits than its factorization.

1154388822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42223.

The product of its digits is 122880, while the sum is 42.

The square root of 1154388822 is about 33976.2979443023. The cubic root of 1154388822 is about 1049.0206505501.

The spelling of 1154388822 in words is "one billion, one hundred fifty-four million, three hundred eighty-eight thousand, eight hundred twenty-two".