42221631606 has 64 divisors (see below), whose sum is σ = 105339764736. Its totient is φ = 10960423200.

The previous prime is 42221631581. The next prime is 42221631637. The reversal of 42221631606 is 60613612224.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 817161 + ... + 867291.

It is an arithmetic number, because the mean of its divisors is an integer number (1645933824).

Almost surely, 2^42221631606 is an apocalyptic number.

42221631606 is an abundant number, since it is smaller than the sum of its proper divisors (63118133130).

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

42221631606 is a wasteful number, since it uses less digits than its factorization.

42221631606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51977.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 42221631606 in words is "forty-two billion, two hundred twenty-one million, six hundred thirty-one thousand, six hundred six".