2235970069 has 4 divisors (see below), whose sum is σ = 2236096044. Its totient is φ = 2235844096.

The previous prime is 2235970063. The next prime is 2235970081. The reversal of 2235970069 is 9600795322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 389549169 + 1846420900 = 19737^2 + 42970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2235970069 is a prime.

It is a super-2 number, since 2×2235970069² = 9999124298927729522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235970063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30922 + ... + 73675.

It is an arithmetic number, because the mean of its divisors is an integer number (559024011).

Almost surely, 2^2235970069 is an apocalyptic number.

It is an amenable number.

2235970069 is a deficient number, since it is larger than the sum of its proper divisors (125975).

2235970069 is a wasteful number, since it uses less digits than its factorization.

2235970069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125974.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 2235970069 is about 47286.0451824849. The cubic root of 2235970069 is about 1307.6413999873.

The spelling of 2235970069 in words is "two billion, two hundred thirty-five million, nine hundred seventy thousand, sixty-nine".