2201422140 has 72 divisors (see below), whose sum is σ = 7070459760. Its totient is φ = 552513024.

The previous prime is 2201422133. The next prime is 2201422141. The reversal of 2201422140 is 412241022.

2201422140 is a `hidden beast` number, since 2 + 201 + 422 + 1 + 40 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201422141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356650 + ... + 362769.

It is an arithmetic number, because the mean of its divisors is an integer number (98200830).

Almost surely, 2^2201422140 is an apocalyptic number.

2201422140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201422140 is an abundant number, since it is smaller than the sum of its proper divisors (4869037620).

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

2201422140 is a wasteful number, since it uses less digits than its factorization.

2201422140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719451 (or 719446 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2201422140 is about 46919.3152123941. The cubic root of 2201422140 is about 1300.8716324142.

Adding to 2201422140 its reverse (412241022), we get a palindrome (2613663162).

The spelling of 2201422140 in words is "two billion, two hundred one million, four hundred twenty-two thousand, one hundred forty".