1122154223 has 8 divisors (see below), whose sum is σ = 1130004480. Its totient is φ = 1114324920.

The previous prime is 1122154177. The next prime is 1122154283. The reversal of 1122154223 is 3224512211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122154223 - 2¹⁶ = 1122088687 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 (1122154283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111098 + ... + 120776.

It is an arithmetic number, because the mean of its divisors is an integer number (141250560).

Almost surely, 2^1122154223 is an apocalyptic number.

1122154223 is a deficient number, since it is larger than the sum of its proper divisors (7850257).

1122154223 is an equidigital number, since it uses as much as digits as its factorization.

1122154223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10477.

The product of its digits is 960, while the sum is 23.

The square root of 1122154223 is about 33498.5704620361. The cubic root of 1122154223 is about 1039.1642147894.

Adding to 1122154223 its reverse (3224512211), we get a palindrome (4346666434).

The spelling of 1122154223 in words is "one billion, one hundred twenty-two million, one hundred fifty-four thousand, two hundred twenty-three".