69226945 has 4 divisors (see below), whose sum is σ = 83072340. Its totient is φ = 55381552.

The previous prime is 69226943. The next prime is 69226951. The reversal of 69226945 is 54962296.

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 46730896 + 22496049 = 6836^2 + 4743^2 .

It is a cyclic number.

It is not a de Polignac number, because 69226945 - 2¹ = 69226943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69226943) 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, 6922690 + ... + 6922699.

It is an arithmetic number, because the mean of its divisors is an integer number (20768085).

Almost surely, 2^69226945 is an apocalyptic number.

It is an amenable number.

69226945 is a deficient number, since it is larger than the sum of its proper divisors (13845395).

69226945 is a wasteful number, since it uses less digits than its factorization.

69226945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845394.

The product of its digits is 233280, while the sum is 43.

The square root of 69226945 is about 8320.2731325360. The cubic root of 69226945 is about 410.6057771358.

The spelling of 69226945 in words is "sixty-nine million, two hundred twenty-six thousand, nine hundred forty-five".