2206243742 has 32 divisors (see below), whose sum is σ = 3425080032. Its totient is φ = 1065222144.

The previous prime is 2206243727. The next prime is 2206243769. The reversal of 2206243742 is 2473426022.

It is a super-2 number, since 2×2206243742² = 9735022898228325128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2206243699 and 2206243708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3823358 + ... + 3823934.

It is an arithmetic number, because the mean of its divisors is an integer number (107033751).

Almost surely, 2^2206243742 is an apocalyptic number.

2206243742 is a deficient number, since it is larger than the sum of its proper divisors (1218836290).

2206243742 is a wasteful number, since it uses less digits than its factorization.

2206243742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 2206243742 is about 46970.6689541463. The cubic root of 2206243742 is about 1301.8206722013.

Adding to 2206243742 its reverse (2473426022), we get a palindrome (4679669764).

The spelling of 2206243742 in words is "two billion, two hundred six million, two hundred forty-three thousand, seven hundred forty-two".