1421225356 has 6 divisors (see below), whose sum is σ = 2487144380. Its totient is φ = 710612676.

The previous prime is 1421225341. The next prime is 1421225357. The reversal of 1421225356 is 6535221241.

It is not an unprimeable number, because it can be changed into a prime (1421225357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177653166 + ... + 177653173.

Almost surely, 2^1421225356 is an apocalyptic number.

It is an amenable number.

1421225356 is a deficient number, since it is larger than the sum of its proper divisors (1065919024).

1421225356 is a wasteful number, since it uses less digits than its factorization.

1421225356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355306343 (or 355306341 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 1421225356 is about 37699.1426427711. The cubic root of 1421225356 is about 1124.3140789272.

Adding to 1421225356 its reverse (6535221241), we get a palindrome (7956446597).

The spelling of 1421225356 in words is "one billion, four hundred twenty-one million, two hundred twenty-five thousand, three hundred fifty-six".