1140222258 has 90 divisors (see below), whose sum is σ = 2979938511. Its totient is φ = 324918216.

The previous prime is 1140222241. The next prime is 1140222269. The reversal of 1140222258 is 8522220411.

1140222258 is a `hidden beast` number, since 1 + 1 + 402 + 2 + 2 + 258 = 666.

1140222258 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 570111129 + 570111129 = 23877^2 + 23877^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23877.

It is a super-3 number, since 3×1140222258³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3008313 + ... + 3008691.

Almost surely, 2^1140222258 is an apocalyptic number.

1140222258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140222258

1140222258 is an abundant number, since it is smaller than the sum of its proper divisors (1839716253).

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

1140222258 is an frugal number, since it uses more digits than its factorization.

1140222258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1140222258 is about 33767.1772287824. The cubic root of 1140222258 is about 1044.7118114371.

Adding to 1140222258 its reverse (8522220411), we get a palindrome (9662442669).

The spelling of 1140222258 in words is "one billion, one hundred forty million, two hundred twenty-two thousand, two hundred fifty-eight".