1022436378 has 16 divisors (see below), whose sum is σ = 2272080960. Its totient is φ = 340812108.

The previous prime is 1022436367. The next prime is 1022436391. The reversal of 1022436378 is 8736342201.

It is a happy number.

1022436378 is a `hidden beast` number, since 1 + 0 + 224 + 363 + 78 = 666.

It is a super-2 number, since 2×1022436378² = 2090752294115517768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9466950 + ... + 9467057.

It is an arithmetic number, because the mean of its divisors is an integer number (142005060).

Almost surely, 2^1022436378 is an apocalyptic number.

1022436378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1022436378 is an abundant number, since it is smaller than the sum of its proper divisors (1249644582).

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

1022436378 is a wasteful number, since it uses less digits than its factorization.

1022436378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18934018 (or 18934012 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1022436378 is about 31975.5590725166. The cubic root of 1022436378 is about 1007.4235472448.

Adding to 1022436378 its reverse (8736342201), we get a palindrome (9758778579).

The spelling of 1022436378 in words is "one billion, twenty-two million, four hundred thirty-six thousand, three hundred seventy-eight".