3552221004 has 12 divisors (see below), whose sum is σ = 8288515704. Its totient is φ = 1184073664.

The previous prime is 3552221003. The next prime is 3552221027. The reversal of 3552221004 is 4001222553.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3552221004² = 25236548122517536032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3552221003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148009197 + ... + 148009220.

It is an arithmetic number, because the mean of its divisors is an integer number (690709642).

Almost surely, 2^3552221004 is an apocalyptic number.

It is an amenable number.

3552221004 is an abundant number, since it is smaller than the sum of its proper divisors (4736294700).

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

3552221004 is a wasteful number, since it uses less digits than its factorization.

3552221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296018424 (or 296018422 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 3552221004 is about 59600.5117763262. The cubic root of 3552221004 is about 1525.8083689174.

Adding to 3552221004 its reverse (4001222553), we get a palindrome (7553443557).

The spelling of 3552221004 in words is "three billion, five hundred fifty-two million, two hundred twenty-one thousand, four".