42661622 has 8 divisors (see below), whose sum is σ = 64072296. Its totient is φ = 21304192.

The previous prime is 42661621. The next prime is 42661643. The reversal of 42661622 is 22616624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42661621) 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, 11243 + ... + 14550.

It is an arithmetic number, because the mean of its divisors is an integer number (8009037).

Almost surely, 2^42661622 is an apocalyptic number.

42661622 is a deficient number, since it is larger than the sum of its proper divisors (21410674).

42661622 is a wasteful number, since it uses less digits than its factorization.

42661622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26622.

The product of its digits is 6912, while the sum is 29.

The square root of 42661622 is about 6531.5864841553. The cubic root of 42661622 is about 349.4184137197.

The spelling of 42661622 in words is "forty-two million, six hundred sixty-one thousand, six hundred twenty-two".