1022821202 has 16 divisors (see below), whose sum is σ = 1658543040. Its totient is φ = 470273232.

The previous prime is 1022821199. The next prime is 1022821231. The reversal of 1022821202 is 2021282201.

It is a happy number.

It is a super-2 number, since 2×1022821202² = 2092326422521449608, 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, 67952 + ... + 81627.

It is an arithmetic number, because the mean of its divisors is an integer number (103658940).

Almost surely, 2^1022821202 is an apocalyptic number.

1022821202 is a deficient number, since it is larger than the sum of its proper divisors (635721838).

1022821202 is a wasteful number, since it uses less digits than its factorization.

1022821202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149857.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1022821202 is about 31981.5759774280. The cubic root of 1022821202 is about 1007.5499225509.

The spelling of 1022821202 in words is "one billion, twenty-two million, eight hundred twenty-one thousand, two hundred two".