801622281 has 8 divisors (see below), whose sum is σ = 1069817344. Its totient is φ = 533921040.

The previous prime is 801622277. The next prime is 801622333. The reversal of 801622281 is 182226108.

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

It is not a de Polignac number, because 801622281 - 2² = 801622277 is a prime.

It is a super-2 number, since 2×801622281² = 1285196562791285922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801622231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119650 + ... + 126171.

It is an arithmetic number, because the mean of its divisors is an integer number (133727168).

Almost surely, 2^801622281 is an apocalyptic number.

It is an amenable number.

801622281 is a deficient number, since it is larger than the sum of its proper divisors (268195063).

801622281 is a wasteful number, since it uses less digits than its factorization.

801622281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246911.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 801622281 is about 28312.9348708324. The cubic root of 801622281 is about 928.9448398243.

Adding to 801622281 its reverse (182226108), we get a palindrome (983848389).

The spelling of 801622281 in words is "eight hundred one million, six hundred twenty-two thousand, two hundred eighty-one".