1004221294 has 4 divisors (see below), whose sum is σ = 1506331944. Its totient is φ = 502110646.

The previous prime is 1004221291. The next prime is 1004221301. The reversal of 1004221294 is 4921224001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004221291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251055322 + ... + 251055325.

It is an arithmetic number, because the mean of its divisors is an integer number (376582986).

Almost surely, 2^1004221294 is an apocalyptic number.

1004221294 is a deficient number, since it is larger than the sum of its proper divisors (502110650).

1004221294 is an equidigital number, since it uses as much as digits as its factorization.

1004221294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502110649.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1004221294 is about 31689.4508314676. The cubic root of 1004221294 is about 1001.4051227054.

Adding to 1004221294 its reverse (4921224001), we get a palindrome (5925445295).

The spelling of 1004221294 in words is "one billion, four million, two hundred twenty-one thousand, two hundred ninety-four".