201422140 has 12 divisors (see below), whose sum is σ = 422986536. Its totient is φ = 80568848.

The previous prime is 201422093. The next prime is 201422147. The reversal of 201422140 is 41224102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201422147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5035534 + ... + 5035573.

It is an arithmetic number, because the mean of its divisors is an integer number (35248878).

Almost surely, 2^201422140 is an apocalyptic number.

201422140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201422140 is an abundant number, since it is smaller than the sum of its proper divisors (221564396).

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

201422140 is a wasteful number, since it uses less digits than its factorization.

201422140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071116 (or 10071114 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 201422140 is about 14192.3268000705. The cubic root of 201422140 is about 586.1863959923.

Adding to 201422140 its reverse (41224102), we get a palindrome (242646242).

The spelling of 201422140 in words is "two hundred one million, four hundred twenty-two thousand, one hundred forty".