1022401158 has 16 divisors (see below), whose sum is σ = 2052350976. Its totient is φ = 339542280.

The previous prime is 1022401139. The next prime is 1022401187. The reversal of 1022401158 is 8511042201.

1022401158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312766 + ... + 316017.

It is an arithmetic number, because the mean of its divisors is an integer number (128271936).

Almost surely, 2^1022401158 is an apocalyptic number.

1022401158 is an abundant number, since it is smaller than the sum of its proper divisors (1029949818).

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

1022401158 is a wasteful number, since it uses less digits than its factorization.

1022401158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629059.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 1022401158 is about 31975.0083346353. The cubic root of 1022401158 is about 1007.4119794949.

Adding to 1022401158 its reverse (8511042201), we get a palindrome (9533443359).

The spelling of 1022401158 in words is "one billion, twenty-two million, four hundred one thousand, one hundred fifty-eight".