1221414502 has 16 divisors (see below), whose sum is σ = 2284204032. Its totient is φ = 475875720.

The previous prime is 1221414473. The next prime is 1221414533. The reversal of 1221414502 is 2054141221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965478 + ... + 3965785.

It is an arithmetic number, because the mean of its divisors is an integer number (142762752).

Almost surely, 2^1221414502 is an apocalyptic number.

1221414502 is a deficient number, since it is larger than the sum of its proper divisors (1062789530).

1221414502 is a wasteful number, since it uses less digits than its factorization.

1221414502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931283.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1221414502 is about 34948.7410645934. The cubic root of 1221414502 is about 1068.9425317014.

Adding to 1221414502 its reverse (2054141221), we get a palindrome (3275555723).

The spelling of 1221414502 in words is "one billion, two hundred twenty-one million, four hundred fourteen thousand, five hundred two".