1022189764 has 6 divisors (see below), whose sum is σ = 1788832094. Its totient is φ = 511094880.

The previous prime is 1022189741. The next prime is 1022189771. The reversal of 1022189764 is 4679812201.

1022189764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 887444100 + 134745664 = 29790^2 + 11608^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127773717 + ... + 127773724.

Almost surely, 2^1022189764 is an apocalyptic number.

It is an amenable number.

1022189764 is a deficient number, since it is larger than the sum of its proper divisors (766642330).

1022189764 is a wasteful number, since it uses less digits than its factorization.

1022189764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255547445 (or 255547443 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1022189764 is about 31971.7025508496. The cubic root of 1022189764 is about 1007.3425431080.

The spelling of 1022189764 in words is "one billion, twenty-two million, one hundred eighty-nine thousand, seven hundred sixty-four".