69442285 has 8 divisors (see below), whose sum is σ = 90906336. Its totient is φ = 50503440.

The previous prime is 69442277. The next prime is 69442301. The reversal of 69442285 is 58224496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69442285 - 2³ = 69442277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631239 + ... + 631348.

It is an arithmetic number, because the mean of its divisors is an integer number (11363292).

Almost surely, 2^69442285 is an apocalyptic number.

It is an amenable number.

69442285 is a deficient number, since it is larger than the sum of its proper divisors (21464051).

69442285 is a wasteful number, since it uses less digits than its factorization.

69442285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262603.

The product of its digits is 138240, while the sum is 40.

The square root of 69442285 is about 8333.2037656594. The cubic root of 69442285 is about 411.0310851592.

It can be divided in two parts, 6944 and 2285, that added together give a palindrome (9229).

The spelling of 69442285 in words is "sixty-nine million, four hundred forty-two thousand, two hundred eighty-five".