22029023337221 has 2 divisors, whose sum is σ = 22029023337222. Its totient is φ = 22029023337220.

The previous prime is 22029023337169. The next prime is 22029023337311. The reversal of 22029023337221 is 12273332092022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21462557872900 + 566465464321 = 4632770^2 + 752639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22029023337221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22029023337821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11014511668610 + 11014511668611.

It is an arithmetic number, because the mean of its divisors is an integer number (11014511668611).

Almost surely, 2^{22029023337221} is an apocalyptic number.

It is an amenable number.

22029023337221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22029023337221 is an equidigital number, since it uses as much as digits as its factorization.

22029023337221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 22029023337221 in words is "twenty-two trillion, twenty-nine billion, twenty-three million, three hundred thirty-seven thousand, two hundred twenty-one".