2257020302 has 4 divisors (see below), whose sum is σ = 3385530456. Its totient is φ = 1128510150.

The previous prime is 2257020289. The next prime is 2257020307. The reversal of 2257020302 is 2030207522.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257020307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564255074 + ... + 564255077.

It is an arithmetic number, because the mean of its divisors is an integer number (846382614).

Almost surely, 2^2257020302 is an apocalyptic number.

2257020302 is a deficient number, since it is larger than the sum of its proper divisors (1128510154).

2257020302 is a wasteful number, since it uses less digits than its factorization.

2257020302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128510153.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2257020302 is about 47508.1077501514. The cubic root of 2257020302 is about 1311.7321262894.

Adding to 2257020302 its reverse (2030207522), we get a palindrome (4287227824).

The spelling of 2257020302 in words is "two billion, two hundred fifty-seven million, twenty thousand, three hundred two".