22233013421 has 2 divisors, whose sum is σ = 22233013422. Its totient is φ = 22233013420.

The previous prime is 22233013409. The next prime is 22233013459. The reversal of 22233013421 is 12431033222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14661577225 + 7571436196 = 121085^2 + 87014^2 .

It is a cyclic number.

It is not a de Polignac number, because 22233013421 - 2¹⁴ = 22232997037 is a prime.

It is a super-2 number, since 2×22233013421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22233013471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116506710 + 11116506711.

It is an arithmetic number, because the mean of its divisors is an integer number (11116506711).

Almost surely, 2^22233013421 is an apocalyptic number.

It is an amenable number.

22233013421 is a deficient number, since it is larger than the sum of its proper divisors (1).

22233013421 is an equidigital number, since it uses as much as digits as its factorization.

22233013421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22233013421 its reverse (12431033222), we get a palindrome (34664046643).

The spelling of 22233013421 in words is "twenty-two billion, two hundred thirty-three million, thirteen thousand, four hundred twenty-one".