2213567770 has 16 divisors (see below), whose sum is σ = 3986885448. Its totient is φ = 884879680.

The previous prime is 2213567761. The next prime is 2213567777. The reversal of 2213567770 is 777653122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1573629561 + 639938209 = 39669^2 + 25297^2 .

It is not an unprimeable number, because it can be changed into a prime (2213567777) 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, 51241 + ... + 83980.

Almost surely, 2^2213567770 is an apocalyptic number.

2213567770 is a deficient number, since it is larger than the sum of its proper divisors (1773317678).

2213567770 is a wasteful number, since it uses less digits than its factorization.

2213567770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136865.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 2213567770 is about 47048.5682035065. The cubic root of 2213567770 is about 1303.2596247078.

The spelling of 2213567770 in words is "two billion, two hundred thirteen million, five hundred sixty-seven thousand, seven hundred seventy".