1022040019 has 16 divisors (see below), whose sum is σ = 1372250880. Its totient is φ = 735132960.

The previous prime is 1022039999. The next prime is 1022040037. The reversal of 1022040019 is 9100402201.

It is a cyclic number.

It is not a de Polignac number, because 1022040019 - 2⁵ = 1022039987 is a prime.

It is a super-2 number, since 2×1022040019² = 2089131600875040722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022039978 and 1022040005.

It is not an unprimeable number, because it can be changed into a prime (1022040049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509509 + ... + 511510.

It is an arithmetic number, because the mean of its divisors is an integer number (85765680).

Almost surely, 2^1022040019 is an apocalyptic number.

1022040019 is a deficient number, since it is larger than the sum of its proper divisors (350210861).

1022040019 is a wasteful number, since it uses less digits than its factorization.

1022040019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021050.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1022040019 is about 31969.3606285769. The cubic root of 1022040019 is about 1007.2933507170.

The spelling of 1022040019 in words is "one billion, twenty-two million, forty thousand, nineteen".