22150307 has 2 divisors, whose sum is σ = 22150308. Its totient is φ = 22150306.

The previous prime is 22150279. The next prime is 22150313. The reversal of 22150307 is 70305122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22150307 - 2⁶ = 22150243 is a prime.

It is a super-2 number, since 2×22150307² = 981272200388498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22150327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075153 + 11075154.

It is an arithmetic number, because the mean of its divisors is an integer number (11075154).

Almost surely, 2^22150307 is an apocalyptic number.

22150307 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150307 is an equidigital number, since it uses as much as digits as its factorization.

22150307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 22150307 is about 4706.4112654973. The cubic root of 22150307 is about 280.8406157852.

Adding to 22150307 its reverse (70305122), we get a palindrome (92455429).

The spelling of 22150307 in words is "twenty-two million, one hundred fifty thousand, three hundred seven".