2212693445 has 4 divisors (see below), whose sum is σ = 2655232140. Its totient is φ = 1770154752.

The previous prime is 2212693433. The next prime is 2212693459. The reversal of 2212693445 is 5443962122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 703681729 + 1509011716 = 26527^2 + 38846^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212693445 - 2⁶ = 2212693381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212693399 and 2212693408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221269340 + ... + 221269349.

It is an arithmetic number, because the mean of its divisors is an integer number (663808035).

Almost surely, 2^2212693445 is an apocalyptic number.

It is an amenable number.

2212693445 is a deficient number, since it is larger than the sum of its proper divisors (442538695).

2212693445 is an equidigital number, since it uses as much as digits as its factorization.

2212693445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442538694.

The product of its digits is 103680, while the sum is 38.

The square root of 2212693445 is about 47039.2755577719. The cubic root of 2212693445 is about 1303.0880129860.

The spelling of 2212693445 in words is "two billion, two hundred twelve million, six hundred ninety-three thousand, four hundred forty-five".