40401422 has 4 divisors (see below), whose sum is σ = 60602136. Its totient is φ = 20200710.

The previous prime is 40401421. The next prime is 40401433. The reversal of 40401422 is 22410404.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40401422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40401421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100354 + ... + 10100357.

It is an arithmetic number, because the mean of its divisors is an integer number (15150534).

Almost surely, 2^40401422 is an apocalyptic number.

40401422 is a deficient number, since it is larger than the sum of its proper divisors (20200714).

40401422 is a wasteful number, since it uses less digits than its factorization.

40401422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200713.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40401422 is about 6356.2112929008. The cubic root of 40401422 is about 343.1354201256.

Adding to 40401422 its reverse (22410404), we get a palindrome (62811826).

The spelling of 40401422 in words is "forty million, four hundred one thousand, four hundred twenty-two".