2249860618 has 4 divisors (see below), whose sum is σ = 3374790930. Its totient is φ = 1124930308.

The previous prime is 2249860601. The next prime is 2249860649. The reversal of 2249860618 is 8160689422.

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

It can be written as a sum of positive squares in only one way, i.e., 1163696769 + 1086163849 = 34113^2 + 32957^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562465153 + ... + 562465156.

Almost surely, 2^2249860618 is an apocalyptic number.

2249860618 is a deficient number, since it is larger than the sum of its proper divisors (1124930312).

2249860618 is a wasteful number, since it uses less digits than its factorization.

2249860618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124930311.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 2249860618 is about 47432.6956644886. The cubic root of 2249860618 is about 1310.3436384585.

The spelling of 2249860618 in words is "two billion, two hundred forty-nine million, eight hundred sixty thousand, six hundred eighteen".