1022206353540 has 48 divisors (see below), whose sum is σ = 2928740071488. Its totient is φ = 266249096064.

The previous prime is 1022206353533. The next prime is 1022206353541. The reversal of 1022206353540 is 453536022201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1022206353541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198099427 + ... + 198104586.

It is an arithmetic number, because the mean of its divisors is an integer number (61015418156).

Almost surely, 2^{1022206353540} is an apocalyptic number.

1022206353540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022206353540 is an abundant number, since it is smaller than the sum of its proper divisors (1906533717948).

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

1022206353540 is a wasteful number, since it uses less digits than its factorization.

1022206353540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396204068 (or 396204066 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 1022206353540 in words is "one trillion, twenty-two billion, two hundred six million, three hundred fifty-three thousand, five hundred forty".