22420225231321 has 16 divisors (see below), whose sum is σ = 23935544962560. Its totient is φ = 20926942583040.

The previous prime is 22420225231307. The next prime is 22420225231337. The reversal of 22420225231321 is 12313252202422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22420225231321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22420225235321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277375 + ... + 6702043.

It is an arithmetic number, because the mean of its divisors is an integer number (1495971560160).

Almost surely, 2^{22420225231321} is an apocalyptic number.

It is an amenable number.

22420225231321 is a deficient number, since it is larger than the sum of its proper divisors (1515319731239).

22420225231321 is a wasteful number, since it uses less digits than its factorization.

22420225231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6426384.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 22420225231321 its reverse (12313252202422), we get a palindrome (34733477433743).

The spelling of 22420225231321 in words is "twenty-two trillion, four hundred twenty billion, two hundred twenty-five million, two hundred thirty-one thousand, three hundred twenty-one".