1222020224502 has 128 divisors (see below), whose sum is σ = 3151465906176. Its totient is φ = 306577440000.

The previous prime is 1222020224483. The next prime is 1222020224521. The reversal of 1222020224502 is 2054220202221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222020224483) and next prime (1222020224521).

It is a super-2 number, since 2×1222020224502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7379877 + ... + 7543647.

It is an arithmetic number, because the mean of its divisors is an integer number (24620827392).

Almost surely, 2^{1222020224502} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222020224502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575732953088).

1222020224502 is an abundant number, since it is smaller than the sum of its proper divisors (1929445681674).

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

1222020224502 is a wasteful number, since it uses less digits than its factorization.

1222020224502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164346.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 1222020224502 its reverse (2054220202221), we get a palindrome (3276240426723).

The spelling of 1222020224502 in words is "one trillion, two hundred twenty-two billion, twenty million, two hundred twenty-four thousand, five hundred two".