1022856142 has 32 divisors (see below), whose sum is σ = 1914531840. Its totient is φ = 398170080.

The previous prime is 1022856139. The next prime is 1022856193. The reversal of 1022856142 is 2416582201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243859 + ... + 248017.

It is an arithmetic number, because the mean of its divisors is an integer number (59829120).

Almost surely, 2^1022856142 is an apocalyptic number.

1022856142 is a deficient number, since it is larger than the sum of its proper divisors (891675698).

1022856142 is a wasteful number, since it uses less digits than its factorization.

1022856142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1022856142 is about 31982.1222247680. The cubic root of 1022856142 is about 1007.5613951959.

The spelling of 1022856142 in words is "one billion, twenty-two million, eight hundred fifty-six thousand, one hundred forty-two".