22101007 has 4 divisors (see below), whose sum is σ = 22236760. Its totient is φ = 21965256.

The previous prime is 22100959. The next prime is 22101029. The reversal of 22101007 is 70010122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22101007 - 2¹⁹ = 21576719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67632 + ... + 67957.

It is an arithmetic number, because the mean of its divisors is an integer number (5559190).

Almost surely, 2^22101007 is an apocalyptic number.

22101007 is a deficient number, since it is larger than the sum of its proper divisors (135753).

22101007 is a wasteful number, since it uses less digits than its factorization.

22101007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135752.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 22101007 is about 4701.1708116170. The cubic root of 22101007 is about 280.6321051007.

Adding to 22101007 its reverse (70010122), we get a palindrome (92111129).

The spelling of 22101007 in words is "twenty-two million, one hundred one thousand, seven".