22521351342859 has 2 divisors, whose sum is σ = 22521351342860. Its totient is φ = 22521351342858.

The previous prime is 22521351342829. The next prime is 22521351342881. The reversal of 22521351342859 is 95824315312522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22521351342859 - 2¹⁷ = 22521351211787 is a prime.

It is a super-2 number, since 2×22521351342859² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22521351342829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11260675671429 + 11260675671430.

It is an arithmetic number, because the mean of its divisors is an integer number (11260675671430).

Almost surely, 2^{22521351342859} is an apocalyptic number.

22521351342859 is a deficient number, since it is larger than the sum of its proper divisors (1).

22521351342859 is an equidigital number, since it uses as much as digits as its factorization.

22521351342859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184000, while the sum is 52.

The spelling of 22521351342859 in words is "twenty-two trillion, five hundred twenty-one billion, three hundred fifty-one million, three hundred forty-two thousand, eight hundred fifty-nine".