42401122 has 16 divisors (see below), whose sum is σ = 67082400. Its totient is φ = 20044800.

The previous prime is 42401119. The next prime is 42401137. The reversal of 42401122 is 22110424.

It is a junction number, because it is equal to n+sod(n) for n = 42401096 and 42401105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28497 + ... + 29947.

It is an arithmetic number, because the mean of its divisors is an integer number (4192650).

Almost surely, 2^42401122 is an apocalyptic number.

42401122 is a deficient number, since it is larger than the sum of its proper divisors (24681278).

42401122 is a wasteful number, since it uses less digits than its factorization.

42401122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241.

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

The square root of 42401122 is about 6511.6143927601. The cubic root of 42401122 is about 348.7057560467.

Adding to 42401122 its reverse (22110424), we get a palindrome (64511546).

The spelling of 42401122 in words is "forty-two million, four hundred one thousand, one hundred twenty-two".