1420431224 has 16 divisors (see below), whose sum is σ = 2728267920. Its totient is φ = 692893120.

The previous prime is 1420431193. The next prime is 1420431293. The reversal of 1420431224 is 4221340241.

It is a super-2 number, since 2×1420431224² = 4035249724228276352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1420431224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164964 + ... + 2165619.

It is an arithmetic number, because the mean of its divisors is an integer number (170516745).

Almost surely, 2^1420431224 is an apocalyptic number.

It is an amenable number.

1420431224 is a deficient number, since it is larger than the sum of its proper divisors (1307836696).

1420431224 is a wasteful number, since it uses less digits than its factorization.

1420431224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330630 (or 4330626 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1420431224 is about 37688.6086768933. The cubic root of 1420431224 is about 1124.1046305253.

Adding to 1420431224 its reverse (4221340241), we get a palindrome (5641771465).

The spelling of 1420431224 in words is "one billion, four hundred twenty million, four hundred thirty-one thousand, two hundred twenty-four".