22001332007 has 2 divisors, whose sum is σ = 22001332008. Its totient is φ = 22001332006.

The previous prime is 22001331991. The next prime is 22001332033. The reversal of 22001332007 is 70023310022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001332007 - 2⁴ = 22001331991 is a prime.

It is a super-2 number, since 2×22001332007² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22001332007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001332057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000666003 + 11000666004.

It is an arithmetic number, because the mean of its divisors is an integer number (11000666004).

Almost surely, 2^22001332007 is an apocalyptic number.

22001332007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001332007 is an equidigital number, since it uses as much as digits as its factorization.

22001332007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

Adding to 22001332007 its reverse (70023310022), we get a palindrome (92024642029).

The spelling of 22001332007 in words is "twenty-two billion, one million, three hundred thirty-two thousand, seven".