1214221350 has 24 divisors (see below), whose sum is σ = 3011269320. Its totient is φ = 323792320.

The previous prime is 1214221343. The next prime is 1214221363. The reversal of 1214221350 is 531224121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4047255 + ... + 4047554.

It is an arithmetic number, because the mean of its divisors is an integer number (125469555).

Almost surely, 2^1214221350 is an apocalyptic number.

1214221350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214221350 is an abundant number, since it is smaller than the sum of its proper divisors (1797047970).

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

1214221350 is a wasteful number, since it uses less digits than its factorization.

1214221350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8094824 (or 8094819 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1214221350 is about 34845.6790721604. The cubic root of 1214221350 is about 1066.8399940777.

Adding to 1214221350 its reverse (531224121), we get a palindrome (1745445471).

The spelling of 1214221350 in words is "one billion, two hundred fourteen million, two hundred twenty-one thousand, three hundred fifty".