2220105402 has 16 divisors (see below), whose sum is σ = 4933567680. Its totient is φ = 740035116.

The previous prime is 2220105373. The next prime is 2220105409. The reversal of 2220105402 is 2045010222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2220105409) 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, 20556478 + ... + 20556585.

It is an arithmetic number, because the mean of its divisors is an integer number (308347980).

Almost surely, 2^2220105402 is an apocalyptic number.

2220105402 is an abundant number, since it is smaller than the sum of its proper divisors (2713462278).

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

2220105402 is a wasteful number, since it uses less digits than its factorization.

2220105402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41113074 (or 41113068 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2220105402 is about 47117.9944607153. The cubic root of 2220105402 is about 1304.5413952036.

Adding to 2220105402 its reverse (2045010222), we get a palindrome (4265115624).

The spelling of 2220105402 in words is "two billion, two hundred twenty million, one hundred five thousand, four hundred two".