2199499066 has 8 divisors (see below), whose sum is σ = 3493322100. Its totient is φ = 1035058368.

The previous prime is 2199499061. The next prime is 2199499103. The reversal of 2199499066 is 6609949912.

It can be written as a sum of positive squares in 2 ways, for example, as 1864426041 + 335073025 = 43179^2 + 18305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2199499066² = 9675592282669744712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2199498998 and 2199499016.

It is not an unprimeable number, because it can be changed into a prime (2199499061) 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, 32345541 + ... + 32345608.

Almost surely, 2^2199499066 is an apocalyptic number.

2199499066 is a deficient number, since it is larger than the sum of its proper divisors (1293823034).

2199499066 is a wasteful number, since it uses less digits than its factorization.

2199499066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64691168.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The square root of 2199499066 is about 46898.8173198429. The cubic root of 2199499066 is about 1300.4927256497.

It can be divided in two parts, 219949906 and 6, that added together give a palindrome (219949912).

The spelling of 2199499066 in words is "two billion, one hundred ninety-nine million, four hundred ninety-nine thousand, sixty-six".