42641022 has 16 divisors (see below), whose sum is σ = 85760640. Its totient is φ = 14133912.

The previous prime is 42641017. The next prime is 42641023. The reversal of 42641022 is 22014624.

It is a self number, because there is not a number n which added to its sum of digits gives 42641022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42641023) 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, 18778 + ... + 20925.

It is an arithmetic number, because the mean of its divisors is an integer number (5360040).

Almost surely, 2^42641022 is an apocalyptic number.

42641022 is an abundant number, since it is smaller than the sum of its proper divisors (43119618).

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

42641022 is a wasteful number, since it uses less digits than its factorization.

42641022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39887.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42641022 is about 6530.0093414941. The cubic root of 42641022 is about 349.3621634893.

Adding to 42641022 its reverse (22014624), we get a palindrome (64655646).

The spelling of 42641022 in words is "forty-two million, six hundred forty-one thousand, twenty-two".