2206420634 has 16 divisors (see below), whose sum is σ = 3678631200. Its totient is φ = 983994960.

The previous prime is 2206420631. The next prime is 2206420663. The reversal of 2206420634 is 4360246022.

It is a junction number, because it is equal to n+sod(n) for n = 2206420597 and 2206420606.

It is not an unprimeable number, because it can be changed into a prime (2206420631) 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, 944984 + ... + 947315.

It is an arithmetic number, because the mean of its divisors is an integer number (229914450).

Almost surely, 2^2206420634 is an apocalyptic number.

2206420634 is a deficient number, since it is larger than the sum of its proper divisors (1472210566).

2206420634 is a wasteful number, since it uses less digits than its factorization.

2206420634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892365.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 2206420634 is about 46972.5519213083. The cubic root of 2206420634 is about 1301.8554636893.

Adding to 2206420634 its reverse (4360246022), we get a palindrome (6566666656).

The spelling of 2206420634 in words is "two billion, two hundred six million, four hundred twenty thousand, six hundred thirty-four".