1142025222 has 32 divisors (see below), whose sum is σ = 2475440352. Its totient is φ = 349150464.

The previous prime is 1142025211. The next prime is 1142025257. The reversal of 1142025222 is 2225202411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34383 + ... + 58874.

It is an arithmetic number, because the mean of its divisors is an integer number (77357511).

Almost surely, 2^1142025222 is an apocalyptic number.

1142025222 is an abundant number, since it is smaller than the sum of its proper divisors (1333415130).

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

1142025222 is a wasteful number, since it uses less digits than its factorization.

1142025222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93432.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1142025222 is about 33793.8636737500. The cubic root of 1142025222 is about 1045.2621678402.

Adding to 1142025222 its reverse (2225202411), we get a palindrome (3367227633).

The spelling of 1142025222 in words is "one billion, one hundred forty-two million, twenty-five thousand, two hundred twenty-two".