1244420230 has 16 divisors (see below), whose sum is σ = 2371718880. Its totient is φ = 468487552.

The previous prime is 1244420209. The next prime is 1244420239. The reversal of 1244420230 is 320244421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244420239) 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, 3659890 + ... + 3660229.

It is an arithmetic number, because the mean of its divisors is an integer number (148232430).

Almost surely, 2^1244420230 is an apocalyptic number.

1244420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244420230 is a deficient number, since it is larger than the sum of its proper divisors (1127298650).

1244420230 is a wasteful number, since it uses less digits than its factorization.

1244420230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320143.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1244420230 is about 35276.3409383683. The cubic root of 1244420230 is about 1075.6121208262.

Adding to 1244420230 its reverse (320244421), we get a palindrome (1564664651).

The spelling of 1244420230 in words is "one billion, two hundred forty-four million, four hundred twenty thousand, two hundred thirty".