1011822402 has 16 divisors (see below), whose sum is σ = 2031115392. Its totient is φ = 336029040.

The previous prime is 1011822401. The next prime is 1011822403. The reversal of 1011822402 is 2042281101.

It is an interprime number because it is at equal distance from previous prime (1011822401) and next prime (1011822403).

It is not an unprimeable number, because it can be changed into a prime (1011822401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309513 + ... + 312764.

It is an arithmetic number, because the mean of its divisors is an integer number (126944712).

Almost surely, 2^1011822402 is an apocalyptic number.

1011822402 is an abundant number, since it is smaller than the sum of its proper divisors (1019292990).

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

1011822402 is a wasteful number, since it uses less digits than its factorization.

1011822402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622553.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1011822402 is about 31809.1559460480. The cubic root of 1011822402 is about 1003.9253719602.

The spelling of 1011822402 in words is "one billion, eleven million, eight hundred twenty-two thousand, four hundred two".