22221704370469 has 2 divisors, whose sum is σ = 22221704370470. Its totient is φ = 22221704370468.

The previous prime is 22221704370413. The next prime is 22221704370491. The reversal of 22221704370469 is 96407340712222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22105653772225 + 116050598244 = 4701665^2 + 340662^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221704370469 - 2¹¹ = 22221704368421 is a prime.

It is a super-2 number, since 2×22221704370469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221704370769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110852185234 + 11110852185235.

It is an arithmetic number, because the mean of its divisors is an integer number (11110852185235).

Almost surely, 2^{22221704370469} is an apocalyptic number.

It is an amenable number.

22221704370469 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221704370469 is an equidigital number, since it uses as much as digits as its factorization.

22221704370469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 22221704370469 in words is "twenty-two trillion, two hundred twenty-one billion, seven hundred four million, three hundred seventy thousand, four hundred sixty-nine".