22212012007 has 2 divisors, whose sum is σ = 22212012008. Its totient is φ = 22212012006.

The previous prime is 22212011999. The next prime is 22212012061. The reversal of 22212012007 is 70021021222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22212012007 - 2³ = 22212011999 is a prime.

It is a super-2 number, since 2×22212012007² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212012707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106006003 + 11106006004.

It is an arithmetic number, because the mean of its divisors is an integer number (11106006004).

Almost surely, 2^22212012007 is an apocalyptic number.

22212012007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212012007 is an equidigital number, since it uses as much as digits as its factorization.

22212012007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 22212012007 its reverse (70021021222), we get a palindrome (92233033229).

The spelling of 22212012007 in words is "twenty-two billion, two hundred twelve million, twelve thousand, seven".