1022690436 has 12 divisors (see below), whose sum is σ = 2386277712. Its totient is φ = 340896808.

The previous prime is 1022690381. The next prime is 1022690441. The reversal of 1022690436 is 6340962201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1022690397 and 1022690406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42612090 + ... + 42612113.

It is an arithmetic number, because the mean of its divisors is an integer number (198856476).

Almost surely, 2^1022690436 is an apocalyptic number.

It is an amenable number.

1022690436 is an abundant number, since it is smaller than the sum of its proper divisors (1363587276).

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

1022690436 is a wasteful number, since it uses less digits than its factorization.

1022690436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85224210 (or 85224208 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1022690436 is about 31979.5315162683. The cubic root of 1022690436 is about 1007.5069828569.

It can be divided in two parts, 102 and 2690436, that multiplied together give a palindrome (274424472).

The spelling of 1022690436 in words is "one billion, twenty-two million, six hundred ninety thousand, four hundred thirty-six".