7422481997 has 8 divisors (see below), whose sum is σ = 8483367936. Its totient is φ = 6361728912.

The previous prime is 7422481991. The next prime is 7422481999. The reversal of 7422481997 is 7991842247.

It is a happy number.

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

It is not a de Polignac number, because 7422481997 - 2¹⁰ = 7422480973 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 (7422481991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166943 + ... + 206675.

It is an arithmetic number, because the mean of its divisors is an integer number (1060420992).

Almost surely, 2^7422481997 is an apocalyptic number.

It is an amenable number.

7422481997 is a deficient number, since it is larger than the sum of its proper divisors (1060885939).

7422481997 is a wasteful number, since it uses less digits than its factorization.

7422481997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66427.

The product of its digits is 2032128, while the sum is 53.

The square root of 7422481997 is about 86153.8275237961. The cubic root of 7422481997 is about 1950.6666138169. Note that the first 4 decimals are identical.

The spelling of 7422481997 in words is "seven billion, four hundred twenty-two million, four hundred eighty-one thousand, nine hundred ninety-seven".