22572029 has 2 divisors, whose sum is σ = 22572030. Its totient is φ = 22572028.

The previous prime is 22571987. The next prime is 22572031. The reversal of 22572029 is 92027522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21576025 + 996004 = 4645^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 22572029 - 2¹⁶ = 22506493 is a prime.

It is a Sophie Germain prime.

Together with 22572031, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22571992 and 22572010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22577029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286014 + 11286015.

It is an arithmetic number, because the mean of its divisors is an integer number (11286015).

Almost surely, 2^22572029 is an apocalyptic number.

It is an amenable number.

22572029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22572029 is an equidigital number, since it uses as much as digits as its factorization.

22572029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 22572029 is about 4751.0029467471. The cubic root of 22572029 is about 282.6117405874.

The spelling of 22572029 in words is "twenty-two million, five hundred seventy-two thousand, twenty-nine".