972222375 has 16 divisors (see below), whose sum is σ = 1617778656. Its totient is φ = 518518400.

The previous prime is 972222371. The next prime is 972222439. The reversal of 972222375 is 573222279.

It is not a de Polignac number, because 972222375 - 2² = 972222371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972222371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295922 + ... + 1296671.

It is an arithmetic number, because the mean of its divisors is an integer number (101111166).

Almost surely, 2^972222375 is an apocalyptic number.

972222375 is a deficient number, since it is larger than the sum of its proper divisors (645556281).

972222375 is a wasteful number, since it uses less digits than its factorization.

972222375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592611 (or 2592601 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 972222375 is about 31180.4806730108. The cubic root of 972222375 is about 990.6537106852.

The spelling of 972222375 in words is "nine hundred seventy-two million, two hundred twenty-two thousand, three hundred seventy-five".