1213550022 has 8 divisors (see below), whose sum is σ = 2427100056. Its totient is φ = 404516672.

The previous prime is 1213550003. The next prime is 1213550027. The reversal of 1213550022 is 2200553121.

It is a sphenic number, since it is the product of 3 distinct primes.

1213550022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213550027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101129163 + ... + 101129174.

It is an arithmetic number, because the mean of its divisors is an integer number (303387507).

Almost surely, 2^1213550022 is an apocalyptic number.

1213550022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1213550022 is a wasteful number, since it uses less digits than its factorization.

1213550022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202258342.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1213550022 is about 34836.0448673497. The cubic root of 1213550022 is about 1066.6433436090.

The spelling of 1213550022 in words is "one billion, two hundred thirteen million, five hundred fifty thousand, twenty-two".