70221150426 has 128 divisors (see below), whose sum is σ = 166553726976. Its totient is φ = 19321182720.

The previous prime is 70221150413. The next prime is 70221150427. The reversal of 70221150426 is 62405112207.

It is a junction number, because it is equal to n+sod(n) for n = 70221150393 and 70221150402.

It is not an unprimeable number, because it can be changed into a prime (70221150427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92762040 + ... + 92762796.

It is an arithmetic number, because the mean of its divisors is an integer number (1301200992).

Almost surely, 2^70221150426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70221150426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83276863488).

70221150426 is an abundant number, since it is smaller than the sum of its proper divisors (96332576550).

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

70221150426 is a wasteful number, since it uses less digits than its factorization.

70221150426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 70221150426 in words is "seventy billion, two hundred twenty-one million, one hundred fifty thousand, four hundred twenty-six".