1042228281 has 8 divisors (see below), whose sum is σ = 1421955040. Its totient is φ = 678660192.

The previous prime is 1042228211. The next prime is 1042228307. The reversal of 1042228281 is 1828222401.

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

It is not a de Polignac number, because 1042228281 - 2¹⁴ = 1042211897 is a prime.

It is a super-2 number, since 2×1042228281² = 2172479579432429922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042228211) 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, 4039516 + ... + 4039773.

It is an arithmetic number, because the mean of its divisors is an integer number (177744380).

Almost surely, 2^1042228281 is an apocalyptic number.

It is an amenable number.

1042228281 is a deficient number, since it is larger than the sum of its proper divisors (379726759).

1042228281 is an equidigital number, since it uses as much as digits as its factorization.

1042228281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8079335.

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 1042228281 is about 32283.5605378341. The cubic root of 1042228281 is about 1013.8824786285.

The spelling of 1042228281 in words is "one billion, forty-two million, two hundred twenty-eight thousand, two hundred eighty-one".