1220411070 has 64 divisors (see below), whose sum is σ = 3278283840. Its totient is φ = 323057664.

The previous prime is 1220411057. The next prime is 1220411099. The reversal of 1220411070 is 701140221.

It is a super-3 number, since 3×1220411070³ (a number of 28 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20494 + ... + 53486.

It is an arithmetic number, because the mean of its divisors is an integer number (51223185).

Almost surely, 2^1220411070 is an apocalyptic number.

1220411070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220411070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639141920).

1220411070 is an abundant number, since it is smaller than the sum of its proper divisors (2057872770).

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

1220411070 is a wasteful number, since it uses less digits than its factorization.

1220411070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33146 (or 33140 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1220411070 is about 34934.3823474811. The cubic root of 1220411070 is about 1068.6497277424.

Adding to 1220411070 its reverse (701140221), we get a palindrome (1921551291).

The spelling of 1220411070 in words is "one billion, two hundred twenty million, four hundred eleven thousand, seventy".