1154222303 has 16 divisors (see below), whose sum is σ = 1258738656. Its totient is φ = 1052006400.

The previous prime is 1154222291. The next prime is 1154222323. The reversal of 1154222303 is 3032224511.

It is a cyclic number.

It is not a de Polignac number, because 1154222303 - 2⁶ = 1154222239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154222323) 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, 757100 + ... + 758622.

It is an arithmetic number, because the mean of its divisors is an integer number (78671166).

Almost surely, 2^1154222303 is an apocalyptic number.

1154222303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1154222303 is a deficient number, since it is larger than the sum of its proper divisors (104516353).

1154222303 is a wasteful number, since it uses less digits than its factorization.

1154222303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1154222303 is about 33973.8473387987. The cubic root of 1154222303 is about 1048.9702081959.

Adding to 1154222303 its reverse (3032224511), we get a palindrome (4186446814).

The spelling of 1154222303 in words is "one billion, one hundred fifty-four million, two hundred twenty-two thousand, three hundred three".