42222797 has 8 divisors (see below), whose sum is σ = 43559712. Its totient is φ = 40906800.

The previous prime is 42222793. The next prime is 42222823. The reversal of 42222797 is 79722224.

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

It is a cyclic number.

It is not a de Polignac number, because 42222797 - 2² = 42222793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42222793) 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, 1079 + ... + 9252.

It is an arithmetic number, because the mean of its divisors is an integer number (5444964).

Almost surely, 2^42222797 is an apocalyptic number.

It is an amenable number.

42222797 is a deficient number, since it is larger than the sum of its proper divisors (1336915).

42222797 is a wasteful number, since it uses less digits than its factorization.

42222797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10459.

The product of its digits is 28224, while the sum is 35.

The square root of 42222797 is about 6497.9071246056. The cubic root of 42222797 is about 348.2162223672.

The spelling of 42222797 in words is "forty-two million, two hundred twenty-two thousand, seven hundred ninety-seven".