256069822 has 8 divisors (see below), whose sum is σ = 394486056. Its totient is φ = 124574472.

The previous prime is 256069819. The next prime is 256069823. The reversal of 256069822 is 228960652.

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

It is a super-2 number, since 2×256069822² = 131143507478223368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256069823) 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, 1730128 + ... + 1730275.

It is an arithmetic number, because the mean of its divisors is an integer number (49310757).

Almost surely, 2^256069822 is an apocalyptic number.

256069822 is a deficient number, since it is larger than the sum of its proper divisors (138416234).

256069822 is a wasteful number, since it uses less digits than its factorization.

256069822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460442.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 256069822 is about 16002.1817887437. The cubic root of 256069822 is about 635.0181423713.

The spelling of 256069822 in words is "two hundred fifty-six million, sixty-nine thousand, eight hundred twenty-two".