421122233 has 4 divisors (see below), whose sum is σ = 481282560. Its totient is φ = 360961908.

The previous prime is 421122187. The next prime is 421122287. The reversal of 421122233 is 332221124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421122233 - 2²⁸ = 152686777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421122133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30080153 + ... + 30080166.

It is an arithmetic number, because the mean of its divisors is an integer number (120320640).

Almost surely, 2^421122233 is an apocalyptic number.

It is an amenable number.

421122233 is a deficient number, since it is larger than the sum of its proper divisors (60160327).

421122233 is an equidigital number, since it uses as much as digits as its factorization.

421122233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60160326.

The product of its digits is 576, while the sum is 20.

The square root of 421122233 is about 20521.2629484640. The cubic root of 421122233 is about 749.5536502671.

Adding to 421122233 its reverse (332221124), we get a palindrome (753343357).

The spelling of 421122233 in words is "four hundred twenty-one million, one hundred twenty-two thousand, two hundred thirty-three".