11220654 has 16 divisors (see below), whose sum is σ = 22498560. Its totient is φ = 3730680.

The previous prime is 11220653. The next prime is 11220673. The reversal of 11220654 is 45602211.

It is a self number, because there is not a number n which added to its sum of digits gives 11220654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220653) 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, 417 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^11220654 is an apocalyptic number.

11220654 is an abundant number, since it is smaller than the sum of its proper divisors (11277906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220654 is a wasteful number, since it uses less digits than its factorization.

11220654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 11220654 is about 3349.7244662808. The cubic root of 11220654 is about 223.8752361127.

Adding to 11220654 its reverse (45602211), we get a palindrome (56822865).

The spelling of 11220654 in words is "eleven million, two hundred twenty thousand, six hundred fifty-four".