2238519970 has 16 divisors (see below), whose sum is σ = 4036427640. Its totient is φ = 893832064.

The previous prime is 2238519923. The next prime is 2238519971. The reversal of 2238519970 is 799158322.

It is a Cunningham number, because it is equal to 47313²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1706433481 + 532086489 = 41309^2 + 23067^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2238519970.

It is not an unprimeable number, because it can be changed into a prime (2238519971) 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, 191017 + ... + 202396.

Almost surely, 2^2238519970 is an apocalyptic number.

2238519970 is a deficient number, since it is larger than the sum of its proper divisors (1797907670).

2238519970 is a wasteful number, since it uses less digits than its factorization.

2238519970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393989.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 2238519970 is about 47313.0000105679. Note that the first 4 decimals coincide. The cubic root of 2238519970 is about 1308.1382893780.

The spelling of 2238519970 in words is "two billion, two hundred thirty-eight million, five hundred nineteen thousand, nine hundred seventy".