68222619 has 12 divisors (see below), whose sum is σ = 98615400. Its totient is φ = 45448704.

The previous prime is 68222611. The next prime is 68222657. The reversal of 68222619 is 91622286.

It is a happy number.

It is not a de Polignac number, because 68222619 - 2³ = 68222611 is a prime.

It is a super-2 number, since 2×68222619² = 9308651486438322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68222611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22792 + ... + 25610.

It is an arithmetic number, because the mean of its divisors is an integer number (8217950).

Almost surely, 2^68222619 is an apocalyptic number.

68222619 is a deficient number, since it is larger than the sum of its proper divisors (30392781).

68222619 is a wasteful number, since it uses less digits than its factorization.

68222619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514 (or 5511 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 68222619 is about 8259.6984811796. The cubic root of 68222619 is about 408.6104436183.

The spelling of 68222619 in words is "sixty-eight million, two hundred twenty-two thousand, six hundred nineteen".