1022213124 has 36 divisors (see below), whose sum is σ = 2585107980. Its totient is φ = 340582080.

The previous prime is 1022213119. The next prime is 1022213147. The reversal of 1022213124 is 4213122201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 626601024 + 395612100 = 25032^2 + 19890^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1022213097 and 1022213106.

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, 95314 + ... + 105494.

It is an arithmetic number, because the mean of its divisors is an integer number (71808555).

Almost surely, 2^1022213124 is an apocalyptic number.

It is an amenable number.

1022213124 is an abundant number, since it is smaller than the sum of its proper divisors (1562894856).

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

1022213124 is a wasteful number, since it uses less digits than its factorization.

1022213124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12980 (or 12975 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1022213124 is about 31972.0678718159. The cubic root of 1022213124 is about 1007.3502166155.

Adding to 1022213124 its reverse (4213122201), we get a palindrome (5235335325).

The spelling of 1022213124 in words is "one billion, twenty-two million, two hundred thirteen thousand, one hundred twenty-four".