1022221060452 has 30 divisors (see below), whose sum is σ = 2672287773078. Its totient is φ = 340740353376.

The previous prime is 1022221060429. The next prime is 1022221060481. The reversal of 1022221060452 is 2540601222201.

1022221060452 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 2 + 2 + 1 + 0 + 604 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1010700472896 + 11520587556 = 1005336^2 + 107334^2 .

It is a super-2 number, since 2×1022221060452² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1577501313 + ... + 1577501960.

Almost surely, 2^{1022221060452} is an apocalyptic number.

1022221060452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022221060452 is an abundant number, since it is smaller than the sum of its proper divisors (1650066712626).

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

1022221060452 is a wasteful number, since it uses less digits than its factorization.

1022221060452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155003289 (or 3155003278 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1022221060452 its reverse (2540601222201), we get a palindrome (3562822282653).

The spelling of 1022221060452 in words is "one trillion, twenty-two billion, two hundred twenty-one million, sixty thousand, four hundred fifty-two".