97222409838 has 16 divisors (see below), whose sum is σ = 216049799760. Its totient is φ = 32407469928.

The previous prime is 97222409819. The next prime is 97222409861. The reversal of 97222409838 is 83890422279.

It is a happy number.

97222409838 is a `hidden beast` number, since 9 + 7 + 222 + 409 + 8 + 3 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1800414997 = 97222409838 / (9 + 7 + 2 + 2 + 2 + 4 + 0 + 9 + 8 + 3 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900207445 + ... + 900207552.

It is an arithmetic number, because the mean of its divisors is an integer number (13503112485).

Almost surely, 2^97222409838 is an apocalyptic number.

97222409838 is an abundant number, since it is smaller than the sum of its proper divisors (118827389922).

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

97222409838 is a wasteful number, since it uses less digits than its factorization.

97222409838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800415008 (or 1800415002 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 97222409838 in words is "ninety-seven billion, two hundred twenty-two million, four hundred nine thousand, eight hundred thirty-eight".