22075531 has 2 divisors, whose sum is σ = 22075532. Its totient is φ = 22075530.

The previous prime is 22075519. The next prime is 22075541. The reversal of 22075531 is 13557022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22075531 - 2⁹ = 22075019 is a prime.

It is a super-2 number, since 2×22075531² = 974658137863922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22075496 and 22075505.

It is not a weakly prime, because it can be changed into another prime (22075541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11037765 + 11037766.

It is an arithmetic number, because the mean of its divisors is an integer number (11037766).

Almost surely, 2^22075531 is an apocalyptic number.

22075531 is a deficient number, since it is larger than the sum of its proper divisors (1).

22075531 is an equidigital number, since it uses as much as digits as its factorization.

22075531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 22075531 is about 4698.4604925443. The cubic root of 22075531 is about 280.5242347169.

The spelling of 22075531 in words is "twenty-two million, seventy-five thousand, five hundred thirty-one".