22070007 has 6 divisors (see below), whose sum is σ = 31878912. Its totient is φ = 14713332.

The previous prime is 22069997. The next prime is 22070033. The reversal of 22070007 is 70007022.

It is not a de Polignac number, because 22070007 - 2⁴ = 22069991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22070407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1226103 + ... + 1226120.

It is an arithmetic number, because the mean of its divisors is an integer number (5313152).

Almost surely, 2^22070007 is an apocalyptic number.

22070007 is a deficient number, since it is larger than the sum of its proper divisors (9808905).

22070007 is a wasteful number, since it uses less digits than its factorization.

22070007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452229 (or 2452226 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 22070007 is about 4697.8726036367. The cubic root of 22070007 is about 280.5008340696.

Adding to 22070007 its reverse (70007022), we get a palindrome (92077029).

The spelling of 22070007 in words is "twenty-two million, seventy thousand, seven".