42222249497 has 8 divisors (see below), whose sum is σ = 43209344640. Its totient is φ = 41235390000.

The previous prime is 42222249481. The next prime is 42222249533. The reversal of 42222249497 is 79494222224.

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 42222249497 - 2⁴ = 42222249481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42222249437) 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, 333872 + ... + 442622.

It is an arithmetic number, because the mean of its divisors is an integer number (5401168080).

Almost surely, 2^42222249497 is an apocalyptic number.

It is an amenable number.

42222249497 is a deficient number, since it is larger than the sum of its proper divisors (987095143).

42222249497 is a wasteful number, since it uses less digits than its factorization.

42222249497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117823.

The product of its digits is 1161216, while the sum is 47.

The spelling of 42222249497 in words is "forty-two billion, two hundred twenty-two million, two hundred forty-nine thousand, four hundred ninety-seven".