9142270 has 16 divisors (see below), whose sum is σ = 17172000. Its totient is φ = 3497824.

The previous prime is 9142229. The next prime is 9142283. The reversal of 9142270 is 722419.

It is a super-2 number, since 2×9142270² = 167162201505800, which contains 22 as substring.

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, 19645 + ... + 20104.

It is an arithmetic number, because the mean of its divisors is an integer number (1073250).

Almost surely, 2^9142270 is an apocalyptic number.

9142270 is a deficient number, since it is larger than the sum of its proper divisors (8029730).

9142270 is a wasteful number, since it uses less digits than its factorization.

9142270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39779.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 9142270 is about 3023.6186928910. The cubic root of 9142270 is about 209.0987072190.

Adding to 9142270 its reverse (722419), we get a palindrome (9864689).

The spelling of 9142270 in words is "nine million, one hundred forty-two thousand, two hundred seventy".