22321045631 has 2 divisors, whose sum is σ = 22321045632. Its totient is φ = 22321045630.

The previous prime is 22321045603. The next prime is 22321045633. The reversal of 22321045631 is 13654012322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22321045631 - 2⁶ = 22321045567 is a prime.

It is a super-3 number, since 3×22321045631³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 22321045633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22321045594 and 22321045603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22321045633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160522815 + 11160522816.

It is an arithmetic number, because the mean of its divisors is an integer number (11160522816).

Almost surely, 2^22321045631 is an apocalyptic number.

22321045631 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321045631 is an equidigital number, since it uses as much as digits as its factorization.

22321045631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 22321045631 its reverse (13654012322), we get a palindrome (35975057953).

The spelling of 22321045631 in words is "twenty-two billion, three hundred twenty-one million, forty-five thousand, six hundred thirty-one".