1420442233 has 16 divisors (see below), whose sum is σ = 1658620800. Its totient is φ = 1215958128.

The previous prime is 1420442213. The next prime is 1420442269. The reversal of 1420442233 is 3322440241.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1420442233 is a prime.

It is a super-4 number, since 4×1420442233⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420442198 and 1420442207.

It is not an unprimeable number, because it can be changed into a prime (1420442213) 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, 322635 + ... + 327007.

It is an arithmetic number, because the mean of its divisors is an integer number (103663800).

Almost surely, 2^1420442233 is an apocalyptic number.

It is an amenable number.

1420442233 is a deficient number, since it is larger than the sum of its proper divisors (238178567).

1420442233 is an frugal number, since it uses more digits than its factorization.

1420442233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341 (or 5327 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1420442233 is about 37688.7547286986. The cubic root of 1420442233 is about 1124.1075346284.

Adding to 1420442233 its reverse (3322440241), we get a palindrome (4742882474).

The spelling of 1420442233 in words is "one billion, four hundred twenty million, four hundred forty-two thousand, two hundred thirty-three".