1033142221 has 16 divisors (see below), whose sum is σ = 1098789120. Its totient is φ = 969408000.

The previous prime is 1033142213. The next prime is 1033142249. The reversal of 1033142221 is 1222413301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1033142221 - 2³ = 1033142213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033142261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256221 + ... + 260221.

It is an arithmetic number, because the mean of its divisors is an integer number (68674320).

Almost surely, 2^1033142221 is an apocalyptic number.

It is an amenable number.

1033142221 is a deficient number, since it is larger than the sum of its proper divisors (65646899).

1033142221 is a wasteful number, since it uses less digits than its factorization.

1033142221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1033142221 is about 32142.5297853171. The cubic root of 1033142221 is about 1010.9275604632.

Adding to 1033142221 its reverse (1222413301), we get a palindrome (2255555522).

The spelling of 1033142221 in words is "one billion, thirty-three million, one hundred forty-two thousand, two hundred twenty-one".