1049822220 has 48 divisors (see below), whose sum is σ = 3011204448. Its totient is φ = 273123840.

The previous prime is 1049822203. The next prime is 1049822227. The reversal of 1049822220 is 222289401.

It is a super-2 number, since 2×1049822220² = 2204253387211456800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1049822227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210919 + ... + 215838.

It is an arithmetic number, because the mean of its divisors is an integer number (62733426).

Almost surely, 2^1049822220 is an apocalyptic number.

1049822220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049822220 is an abundant number, since it is smaller than the sum of its proper divisors (1961382228).

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

1049822220 is a wasteful number, since it uses less digits than its factorization.

1049822220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426810 (or 426808 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1049822220 is about 32400.9601709579. The cubic root of 1049822220 is about 1016.3389901027.

The spelling of 1049822220 in words is "one billion, forty-nine million, eight hundred twenty-two thousand, two hundred twenty".