201522069 has 24 divisors (see below), whose sum is σ = 337364352. Its totient is φ = 113531040.

The previous prime is 201522049. The next prime is 201522089. The reversal of 201522069 is 960225102.

201522069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201522049) and next prime (201522089).

It is not a de Polignac number, because 201522069 - 2⁷ = 201521941 is a prime.

It is a super-2 number, since 2×201522069² = 81222288588081522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201522019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18054 + ... + 26999.

It is an arithmetic number, because the mean of its divisors is an integer number (14056848).

Almost surely, 2^201522069 is an apocalyptic number.

It is an amenable number.

201522069 is a deficient number, since it is larger than the sum of its proper divisors (135842283).

201522069 is a wasteful number, since it uses less digits than its factorization.

201522069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45137 (or 45134 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 201522069 is about 14195.8468926655. The cubic root of 201522069 is about 586.2833190283.

The spelling of 201522069 in words is "two hundred one million, five hundred twenty-two thousand, sixty-nine".