22507007 has 8 divisors (see below), whose sum is σ = 22840272. Its totient is φ = 22176000.

The previous prime is 22506983. The next prime is 22507013. The reversal of 22507007 is 70070522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22507007 - 2¹² = 22502911 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22507057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31757 + ... + 32457.

It is an arithmetic number, because the mean of its divisors is an integer number (2855034).

Almost surely, 2^22507007 is an apocalyptic number.

22507007 is a deficient number, since it is larger than the sum of its proper divisors (333265).

22507007 is an equidigital number, since it uses as much as digits as its factorization.

22507007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 22507007 is about 4744.1550354094. The cubic root of 22507007 is about 282.3401115758.

Adding to 22507007 its reverse (70070522), we get a palindrome (92577529).

The spelling of 22507007 in words is "twenty-two million, five hundred seven thousand, seven".