1022226636 has 48 divisors (see below), whose sum is σ = 2404317440. Its totient is φ = 338022720.

The previous prime is 1022226613. The next prime is 1022226649. The reversal of 1022226636 is 6366222201.

1022226636 = T₁₇₃ + T₁₇₄ + ... + T₁₈₃₀.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232670 + ... + 1233498.

Almost surely, 2^1022226636 is an apocalyptic number.

It is an amenable number.

1022226636 is an abundant number, since it is smaller than the sum of its proper divisors (1382090804).

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

1022226636 is a wasteful number, since it uses less digits than its factorization.

1022226636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1022226636 is about 31972.2791805652. The cubic root of 1022226636 is about 1007.3546551081.

Adding to 1022226636 its reverse (6366222201), we get a palindrome (7388448837).

The spelling of 1022226636 in words is "one billion, twenty-two million, two hundred twenty-six thousand, six hundred thirty-six".