1214224431 has 16 divisors (see below), whose sum is σ = 1947628800. Its totient is φ = 657324288.

The previous prime is 1214224421. The next prime is 1214224447. The reversal of 1214224431 is 1344224121.

1214224431 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1214224431 - 2¹³ = 1214216239 is a prime.

It is a super-2 number, since 2×1214224431² = 2948681937674547522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214224421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521186 + ... + 1521983.

It is an arithmetic number, because the mean of its divisors is an integer number (121726800).

Almost surely, 2^1214224431 is an apocalyptic number.

1214224431 is a deficient number, since it is larger than the sum of its proper divisors (733404369).

1214224431 is a wasteful number, since it uses less digits than its factorization.

1214224431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043198.

The product of its digits is 1536, while the sum is 24.

The square root of 1214224431 is about 34845.7232813440. The cubic root of 1214224431 is about 1066.8408964203.

Adding to 1214224431 its reverse (1344224121), we get a palindrome (2558448552).

The spelling of 1214224431 in words is "one billion, two hundred fourteen million, two hundred twenty-four thousand, four hundred thirty-one".