1022009494 has 32 divisors (see below), whose sum is σ = 1731987360. Its totient is φ = 448281600.

The previous prime is 1022009479. The next prime is 1022009497. The reversal of 1022009494 is 4949002201.

It is a happy number.

1022009494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1022009494² = 2089006811652272072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022009497) 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, 63942 + ... + 78310.

It is an arithmetic number, because the mean of its divisors is an integer number (54124605).

Almost surely, 2^1022009494 is an apocalyptic number.

1022009494 is a deficient number, since it is larger than the sum of its proper divisors (709977866).

1022009494 is a wasteful number, since it uses less digits than its factorization.

1022009494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14496.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1022009494 is about 31968.8832147762. The cubic root of 1022009494 is about 1007.2833224288.

The spelling of 1022009494 in words is "one billion, twenty-two million, nine thousand, four hundred ninety-four".