1129550422 has 64 divisors (see below), whose sum is σ = 2296594944. Its totient is φ = 402359040.

The previous prime is 1129550419. The next prime is 1129550423. The reversal of 1129550422 is 2240559211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129550423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211578 + ... + 216850.

It is an arithmetic number, because the mean of its divisors is an integer number (35884296).

Almost surely, 2^1129550422 is an apocalyptic number.

1129550422 is an abundant number, since it is smaller than the sum of its proper divisors (1167044522).

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

1129550422 is a wasteful number, since it uses less digits than its factorization.

1129550422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1129550422 is about 33608.7848932389. The cubic root of 1129550422 is about 1041.4422857534.

The spelling of 1129550422 in words is "one billion, one hundred twenty-nine million, five hundred fifty thousand, four hundred twenty-two".