2190005074 has 4 divisors (see below), whose sum is σ = 3285007614. Its totient is φ = 1095002536.

The previous prime is 2190005071. The next prime is 2190005117. The reversal of 2190005074 is 4705000912.

It is a happy number.

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., 1405725049 + 784280025 = 37493^2 + 28005^2 .

It is a super-2 number, since 2×2190005074² = 9592244448291490952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2190005071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547501267 + ... + 547501270.

Almost surely, 2^2190005074 is an apocalyptic number.

2190005074 is a deficient number, since it is larger than the sum of its proper divisors (1095002540).

2190005074 is a wasteful number, since it uses less digits than its factorization.

2190005074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095002539.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2190005074 is about 46797.4900395310. The cubic root of 2190005074 is about 1298.6188633599.

Adding to 2190005074 its reverse (4705000912), we get a palindrome (6895005986).

The spelling of 2190005074 in words is "two billion, one hundred ninety million, five thousand, seventy-four".