2206211553 has 64 divisors (see below), whose sum is σ = 4064632320. Its totient is φ = 1151594496.

The previous prime is 2206211551. The next prime is 2206211563. The reversal of 2206211553 is 3551126022.

It is a happy number.

2206211553 is a `hidden beast` number, since 2 + 20 + 621 + 15 + 5 + 3 = 666.

It is not a de Polignac number, because 2206211553 - 2¹ = 2206211551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2206211551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233701 + ... + 242957.

It is an arithmetic number, because the mean of its divisors is an integer number (63509880).

Almost surely, 2^2206211553 is an apocalyptic number.

It is an amenable number.

2206211553 is a deficient number, since it is larger than the sum of its proper divisors (1858420767).

2206211553 is a wasteful number, since it uses less digits than its factorization.

2206211553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383 (or 9377 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2206211553 is about 46970.3263028904. The cubic root of 2206211553 is about 1301.8143410015.

Adding to 2206211553 its reverse (3551126022), we get a palindrome (5757337575).

The spelling of 2206211553 in words is "two billion, two hundred six million, two hundred eleven thousand, five hundred fifty-three".