1222434433021 has 4 divisors (see below), whose sum is σ = 1222681344544. Its totient is φ = 1222187521500.

The previous prime is 1222434433009. The next prime is 1222434433037. The reversal of 1222434433021 is 1203344342221.

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 1222434433021 - 2⁹ = 1222434432509 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 (1222434433621) 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, 123448335 + ... + 123458236.

It is an arithmetic number, because the mean of its divisors is an integer number (305670336136).

Almost surely, 2^{1222434433021} is an apocalyptic number.

It is an amenable number.

1222434433021 is a deficient number, since it is larger than the sum of its proper divisors (246911523).

1222434433021 is an equidigital number, since it uses as much as digits as its factorization.

1222434433021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246911522.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1222434433021 its reverse (1203344342221), we get a palindrome (2425778775242).

The spelling of 1222434433021 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-four million, four hundred thirty-three thousand, twenty-one".