2244020351 has 4 divisors (see below), whose sum is σ = 2244160704. Its totient is φ = 2243880000.

The previous prime is 2244020341. The next prime is 2244020357. The reversal of 2244020351 is 1530204422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1530204422 = 2 ⋅765102211.

It is a cyclic number.

It is not a de Polignac number, because 2244020351 - 2²² = 2239826047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244020357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42575 + ... + 79376.

It is an arithmetic number, because the mean of its divisors is an integer number (561040176).

Almost surely, 2^2244020351 is an apocalyptic number.

2244020351 is a deficient number, since it is larger than the sum of its proper divisors (140353).

2244020351 is a wasteful number, since it uses less digits than its factorization.

2244020351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140352.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2244020351 is about 47371.0919337944. The cubic root of 2244020351 is about 1309.2088440066.

Adding to 2244020351 its reverse (1530204422), we get a palindrome (3774224773).

The spelling of 2244020351 in words is "two billion, two hundred forty-four million, twenty thousand, three hundred fifty-one".