22151322203 has 2 divisors, whose sum is σ = 22151322204. Its totient is φ = 22151322202.

The previous prime is 22151322187. The next prime is 22151322209. The reversal of 22151322203 is 30222315122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22151322203 - 2⁴ = 22151322187 is a prime.

It is a super-2 number, since 2×22151322203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22151322209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075661101 + 11075661102.

It is an arithmetic number, because the mean of its divisors is an integer number (11075661102).

Almost surely, 2^22151322203 is an apocalyptic number.

22151322203 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151322203 is an equidigital number, since it uses as much as digits as its factorization.

22151322203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 22151322203 its reverse (30222315122), we get a palindrome (52373637325).

The spelling of 22151322203 in words is "twenty-two billion, one hundred fifty-one million, three hundred twenty-two thousand, two hundred three".